diff --git a/CMakeLists.txt b/CMakeLists.txt
index b44ed44fa1..834668e92a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -82,7 +82,7 @@ message(STATUS "Configuring OpenMW...")
 set(OPENMW_VERSION_MAJOR 0)
 set(OPENMW_VERSION_MINOR 50)
 set(OPENMW_VERSION_RELEASE 0)
-set(OPENMW_LUA_API_REVISION 94)
+set(OPENMW_LUA_API_REVISION 95)
 set(OPENMW_POSTPROCESSING_API_REVISION 3)
 
 set(OPENMW_VERSION_COMMITHASH "")
diff --git a/apps/openmw/mwlua/animationbindings.cpp b/apps/openmw/mwlua/animationbindings.cpp
index 5ecd3bd1fa..3e22af85d9 100644
--- a/apps/openmw/mwlua/animationbindings.cpp
+++ b/apps/openmw/mwlua/animationbindings.cpp
@@ -1,7 +1,7 @@
 #include "animationbindings.hpp"
 
 #include <components/lua/luastate.hpp>
-#include <components/misc/finitenumbers.hpp>
+#include <components/misc/finitevalues.hpp>
 
 #include "../mwbase/environment.hpp"
 #include "../mwbase/mechanicsmanager.hpp"
diff --git a/apps/openmw/mwlua/camerabindings.cpp b/apps/openmw/mwlua/camerabindings.cpp
index c6461209c5..454f966538 100644
--- a/apps/openmw/mwlua/camerabindings.cpp
+++ b/apps/openmw/mwlua/camerabindings.cpp
@@ -2,7 +2,7 @@
 
 #include <components/lua/luastate.hpp>
 #include <components/lua/utilpackage.hpp>
-#include <components/misc/finitenumbers.hpp>
+#include <components/misc/finitevalues.hpp>
 #include <components/settings/values.hpp>
 
 #include "../mwbase/environment.hpp"
diff --git a/apps/openmw/mwlua/weatherbindings.cpp b/apps/openmw/mwlua/weatherbindings.cpp
index 1d813a2b92..09c930d889 100644
--- a/apps/openmw/mwlua/weatherbindings.cpp
+++ b/apps/openmw/mwlua/weatherbindings.cpp
@@ -7,6 +7,7 @@
 #include <components/esm3/loadregn.hpp>
 #include <components/lua/util.hpp>
 #include <components/misc/color.hpp>
+#include <components/misc/finitevalues.hpp>
 #include <components/misc/resourcehelpers.hpp>
 #include <components/resource/resourcesystem.hpp>
 
@@ -20,6 +21,18 @@
 #include "context.hpp"
 #include "object.hpp"
 
+namespace sol
+{
+    template <>
+    struct is_automagical<MWWorld::TimeOfDayInterpolator<float>> : std::false_type
+    {
+    };
+    template <>
+    struct is_automagical<MWWorld::TimeOfDayInterpolator<osg::Vec4f>> : std::false_type
+    {
+    };
+}
+
 namespace
 {
     class WeatherStore
@@ -36,11 +49,6 @@ namespace
         size_t size() const { return MWBase::Environment::get().getWorld()->getAllWeather().size(); }
     };
 
-    Misc::Color color(const osg::Vec4f& color)
-    {
-        return Misc::Color(color.r(), color.g(), color.b(), color.a());
-    }
-
     template <class Cell>
     bool hasWeather(const Cell& cell, bool requireExterior)
     {
@@ -77,110 +85,146 @@ namespace
             return (world.*getter)();
         });
     }
+
+    void createFloatInterpolator(sol::state_view lua)
+    {
+        using Misc::FiniteFloat;
+        using T = MWWorld::TimeOfDayInterpolator<float>;
+
+        auto interT = lua.new_usertype<T>("TimeOfDayInterpolatorFloat");
+
+        interT["sunrise"] = sol::property([](const T& inter) { return inter.getSunriseValue(); },
+            [](T& inter, FiniteFloat value) { inter.setSunriseValue(value); });
+        interT["sunset"] = sol::property([](const T& inter) { return inter.getSunsetValue(); },
+            [](T& inter, FiniteFloat value) { inter.setSunsetValue(value); });
+        interT["day"] = sol::property([](const T& inter) { return inter.getDayValue(); },
+            [](T& inter, FiniteFloat value) { inter.setDayValue(value); });
+        interT["night"] = sol::property([](const T& inter) { return inter.getNightValue(); },
+            [](T& inter, FiniteFloat value) { inter.setNightValue(value); });
+    }
+
+    void createColorInterpolator(sol::state_view lua)
+    {
+        using Misc::Color;
+        using T = MWWorld::TimeOfDayInterpolator<osg::Vec4f>;
+
+        auto interT = lua.new_usertype<T>("TimeOfDayInterpolatorColor");
+
+        interT["sunrise"] = sol::property([](const T& inter) { return Color::fromVec(inter.getSunriseValue()); },
+            [](T& inter, const Color& value) { inter.setSunriseValue(value.toVec()); });
+        interT["sunset"] = sol::property([](const T& inter) { return Color::fromVec(inter.getSunsetValue()); },
+            [](T& inter, const Color& value) { inter.setSunsetValue(value.toVec()); });
+        interT["day"] = sol::property([](const T& inter) { return Color::fromVec(inter.getDayValue()); },
+            [](T& inter, const Color& value) { inter.setDayValue(value.toVec()); });
+        interT["night"] = sol::property([](const T& inter) { return Color::fromVec(inter.getNightValue()); },
+            [](T& inter, const Color& value) { inter.setNightValue(value.toVec()); });
+    }
 }
 
 namespace MWLua
 {
     sol::table initCoreWeatherBindings(const Context& context)
     {
+        using Misc::FiniteFloat;
+        using Misc::FiniteVec3f;
+
         sol::state_view lua = context.sol();
         sol::table api(lua, sol::create);
 
         auto vfs = MWBase::Environment::get().getResourceSystem()->getVFS();
+
         auto weatherT = lua.new_usertype<MWWorld::Weather>("Weather");
+        createFloatInterpolator(lua);
+        createColorInterpolator(lua);
+
         weatherT[sol::meta_function::to_string]
             = [](const MWWorld::Weather& w) -> std::string { return "Weather[" + w.mName + "]"; };
         weatherT["name"]
             = sol::readonly_property([](const MWWorld::Weather& w) -> std::string_view { return w.mName; });
-        weatherT["windSpeed"] = sol::readonly_property([](const MWWorld::Weather& w) { return w.mWindSpeed; });
-        weatherT["cloudSpeed"] = sol::readonly_property([](const MWWorld::Weather& w) { return w.mCloudSpeed; });
-        weatherT["cloudTexture"] = sol::readonly_property([vfs](const MWWorld::Weather& w) {
-            return Misc::ResourceHelpers::correctTexturePath(w.mCloudTexture, vfs);
-        });
-        weatherT["cloudsMaximumPercent"]
-            = sol::readonly_property([](const MWWorld::Weather& w) { return w.mCloudsMaximumPercent; });
-        weatherT["isStorm"] = sol::readonly_property([](const MWWorld::Weather& w) { return w.mIsStorm; });
-        weatherT["stormDirection"]
-            = sol::readonly_property([](const MWWorld::Weather& w) { return w.mStormDirection; });
-        weatherT["glareView"] = sol::readonly_property([](const MWWorld::Weather& w) { return w.mGlareView; });
-        weatherT["rainSpeed"] = sol::readonly_property([](const MWWorld::Weather& w) { return w.mRainSpeed; });
-        weatherT["rainEntranceSpeed"]
-            = sol::readonly_property([](const MWWorld::Weather& w) { return w.mRainEntranceSpeed; });
-        weatherT["rainEffect"] = sol::readonly_property([](const MWWorld::Weather& w) -> sol::optional<std::string> {
-            if (w.mRainEffect.empty())
-                return sol::nullopt;
-            return w.mRainEffect;
-        });
-        weatherT["rainMaxRaindrops"]
-            = sol::readonly_property([](const MWWorld::Weather& w) { return w.mRainMaxRaindrops; });
-        weatherT["rainDiameter"] = sol::readonly_property([](const MWWorld::Weather& w) { return w.mRainDiameter; });
-        weatherT["rainThreshold"] = sol::readonly_property([](const MWWorld::Weather& w) { return w.mRainThreshold; });
-        weatherT["rainMaxHeight"] = sol::readonly_property([](const MWWorld::Weather& w) { return w.mRainMaxHeight; });
-        weatherT["rainMinHeight"] = sol::readonly_property([](const MWWorld::Weather& w) { return w.mRainMinHeight; });
-        weatherT["rainLoopSoundID"]
-            = sol::readonly_property([](const MWWorld::Weather& w) { return w.mRainLoopSoundID.serializeText(); });
+        weatherT["scriptId"] = sol::readonly_property([](const MWWorld::Weather& w) { return w.mScriptId; });
+        weatherT["recordId"] = sol::readonly_property([](const MWWorld::Weather& w) { return w.mId.serializeText(); });
         weatherT["thunderSoundID"] = sol::readonly_property([lua](const MWWorld::Weather& w) {
             sol::table result(lua, sol::create);
             for (const auto& soundId : w.mThunderSoundID)
                 result.add(soundId.serializeText());
             return result;
         });
+
+        weatherT["windSpeed"] = sol::property([](const MWWorld::Weather& w) { return w.mWindSpeed; },
+            [](MWWorld::Weather& w, const FiniteFloat windSpeed) { w.mWindSpeed = windSpeed; });
+        weatherT["cloudSpeed"] = sol::property([](const MWWorld::Weather& w) { return w.mCloudSpeed; },
+            [](MWWorld::Weather& w, const FiniteFloat cloudSpeed) { w.mCloudSpeed = cloudSpeed; });
+        weatherT["cloudTexture"] = sol::property(
+            [vfs](
+                const MWWorld::Weather& w) { return Misc::ResourceHelpers::correctTexturePath(w.mCloudTexture, vfs); },
+            [](MWWorld::Weather& w, std::string_view cloudTexture) { w.mCloudTexture = cloudTexture; });
+        weatherT["cloudsMaximumPercent"]
+            = sol::property([](const MWWorld::Weather& w) { return w.mCloudsMaximumPercent; },
+                [](MWWorld::Weather& w, const FiniteFloat cloudsMaximumPercent) {
+                    w.mCloudsMaximumPercent = cloudsMaximumPercent;
+                });
+        weatherT["isStorm"] = sol::property([](const MWWorld::Weather& w) { return w.mIsStorm; },
+            [](MWWorld::Weather& w, bool isStorm) { w.mIsStorm = isStorm; });
+        weatherT["stormDirection"] = sol::property([](const MWWorld::Weather& w) { return w.mStormDirection; },
+            [](MWWorld::Weather& w, const FiniteVec3f& stormDirection) { w.mStormDirection = stormDirection; });
+        weatherT["glareView"] = sol::property([](const MWWorld::Weather& w) { return w.mGlareView; },
+            [](MWWorld::Weather& w, const FiniteFloat glareView) { w.mGlareView = glareView; });
+        weatherT["rainSpeed"] = sol::property([](const MWWorld::Weather& w) { return w.mRainSpeed; },
+            [](MWWorld::Weather& w, const FiniteFloat rainSpeed) { w.mRainSpeed = rainSpeed; });
+        weatherT["rainEntranceSpeed"] = sol::property([](const MWWorld::Weather& w) { return w.mRainEntranceSpeed; },
+            [](MWWorld::Weather& w, const FiniteFloat rainEntranceSpeed) { w.mRainEntranceSpeed = rainEntranceSpeed; });
+        weatherT["rainEffect"] = sol::property(
+            [](const MWWorld::Weather& w) -> sol::optional<std::string> {
+                if (w.mRainEffect.empty())
+                    return sol::nullopt;
+                return w.mRainEffect;
+            },
+            [](MWWorld::Weather& w, sol::optional<std::string_view> rainEffect) {
+                w.mRainEffect = rainEffect.value_or("");
+            });
+        weatherT["rainMaxRaindrops"] = sol::property([](const MWWorld::Weather& w) { return w.mRainMaxRaindrops; },
+            [](MWWorld::Weather& w, int rainMaxRaindrops) { w.mRainMaxRaindrops = rainMaxRaindrops; });
+        weatherT["rainDiameter"] = sol::property([](const MWWorld::Weather& w) { return w.mRainDiameter; },
+            [](MWWorld::Weather& w, const FiniteFloat rainDiameter) { w.mRainDiameter = rainDiameter; });
+        weatherT["rainThreshold"] = sol::property([](const MWWorld::Weather& w) { return w.mRainThreshold; },
+            [](MWWorld::Weather& w, const FiniteFloat rainThreshold) { w.mRainThreshold = rainThreshold; });
+        weatherT["rainMaxHeight"] = sol::property([](const MWWorld::Weather& w) { return w.mRainMaxHeight; },
+            [](MWWorld::Weather& w, const FiniteFloat rainMaxHeight) { w.mRainMaxHeight = rainMaxHeight; });
+        weatherT["rainMinHeight"] = sol::property([](const MWWorld::Weather& w) { return w.mRainMinHeight; },
+            [](MWWorld::Weather& w, const FiniteFloat rainMinHeight) { w.mRainMinHeight = rainMinHeight; });
+        weatherT["rainLoopSoundID"]
+            = sol::property([](const MWWorld::Weather& w) { return LuaUtil::serializeRefId(w.mRainLoopSoundID); },
+                [](MWWorld::Weather& w, sol::optional<std::string_view> rainLoopSoundID) {
+                    w.mRainLoopSoundID = ESM::RefId::deserializeText(rainLoopSoundID.value_or(""));
+                });
         weatherT["sunDiscSunsetColor"]
-            = sol::readonly_property([](const MWWorld::Weather& w) { return color(w.mSunDiscSunsetColor); });
+            = sol::property([](const MWWorld::Weather& w) { return Misc::Color::fromVec(w.mSunDiscSunsetColor); },
+                [](MWWorld::Weather& w, const Misc::Color& sunDiscSunsetColor) {
+                    w.mSunDiscSunsetColor = sunDiscSunsetColor.toVec();
+                });
         weatherT["ambientLoopSoundID"]
-            = sol::readonly_property([](const MWWorld::Weather& w) { return w.mAmbientLoopSoundID.serializeText(); });
-        weatherT["ambientColor"] = sol::readonly_property([lua](const MWWorld::Weather& w) {
-            sol::table result(lua, sol::create);
-            result["sunrise"] = color(w.mAmbientColor.getSunriseValue());
-            result["day"] = color(w.mAmbientColor.getDayValue());
-            result["sunset"] = color(w.mAmbientColor.getSunsetValue());
-            result["night"] = color(w.mAmbientColor.getNightValue());
-            return result;
-        });
-        weatherT["fogColor"] = sol::readonly_property([lua](const MWWorld::Weather& w) {
-            sol::table result(lua, sol::create);
-            result["sunrise"] = color(w.mFogColor.getSunriseValue());
-            result["day"] = color(w.mFogColor.getDayValue());
-            result["sunset"] = color(w.mFogColor.getSunsetValue());
-            result["night"] = color(w.mFogColor.getNightValue());
-            return result;
-        });
-        weatherT["skyColor"] = sol::readonly_property([lua](const MWWorld::Weather& w) {
-            sol::table result(lua, sol::create);
-            result["sunrise"] = color(w.mSkyColor.getSunriseValue());
-            result["day"] = color(w.mSkyColor.getDayValue());
-            result["sunset"] = color(w.mSkyColor.getSunsetValue());
-            result["night"] = color(w.mSkyColor.getNightValue());
-            return result;
-        });
-        weatherT["sunColor"] = sol::readonly_property([lua](const MWWorld::Weather& w) {
-            sol::table result(lua, sol::create);
-            result["sunrise"] = color(w.mSunColor.getSunriseValue());
-            result["day"] = color(w.mSunColor.getDayValue());
-            result["sunset"] = color(w.mSunColor.getSunsetValue());
-            result["night"] = color(w.mSunColor.getNightValue());
-            return result;
-        });
-        weatherT["landFogDepth"] = sol::readonly_property([lua](const MWWorld::Weather& w) {
-            sol::table result(lua, sol::create);
-            result["sunrise"] = w.mLandFogDepth.getSunriseValue();
-            result["day"] = w.mLandFogDepth.getDayValue();
-            result["sunset"] = w.mLandFogDepth.getSunsetValue();
-            result["night"] = w.mLandFogDepth.getNightValue();
-            return result;
-        });
-        weatherT["particleEffect"]
-            = sol::readonly_property([](const MWWorld::Weather& w) -> sol::optional<std::string> {
-                  if (w.mParticleEffect.empty())
-                      return sol::nullopt;
-                  return w.mParticleEffect;
-              });
-        weatherT["distantLandFogFactor"]
-            = sol::readonly_property([](const MWWorld::Weather& w) { return w.mDL.FogFactor; });
-        weatherT["distantLandFogOffset"]
-            = sol::readonly_property([](const MWWorld::Weather& w) { return w.mDL.FogOffset; });
-        weatherT["scriptId"] = sol::readonly_property([](const MWWorld::Weather& w) { return w.mScriptId; });
-        weatherT["recordId"] = sol::readonly_property([](const MWWorld::Weather& w) { return w.mId.serializeText(); });
+            = sol::property([](const MWWorld::Weather& w) { return LuaUtil::serializeRefId(w.mAmbientLoopSoundID); },
+                [](MWWorld::Weather& w, sol::optional<std::string_view> ambientLoopSoundId) {
+                    w.mAmbientLoopSoundID = ESM::RefId::deserializeText(ambientLoopSoundId.value_or(""));
+                });
+        weatherT["ambientColor"] = sol::readonly_property([](const MWWorld::Weather& w) { return &w.mAmbientColor; });
+        weatherT["fogColor"] = sol::readonly_property([](const MWWorld::Weather& w) { return &w.mFogColor; });
+        weatherT["skyColor"] = sol::readonly_property([](const MWWorld::Weather& w) { return &w.mSkyColor; });
+        weatherT["sunColor"] = sol::readonly_property([](const MWWorld::Weather& w) { return &w.mSunColor; });
+        weatherT["landFogDepth"] = sol::readonly_property([](const MWWorld::Weather& w) { return &w.mLandFogDepth; });
+        weatherT["particleEffect"] = sol::property(
+            [](const MWWorld::Weather& w) -> sol::optional<std::string> {
+                if (w.mParticleEffect.empty())
+                    return sol::nullopt;
+                return w.mParticleEffect;
+            },
+            [](MWWorld::Weather& w, sol::optional<std::string_view> particleEffect) {
+                w.mParticleEffect = particleEffect.value_or("");
+            });
+        weatherT["distantLandFogFactor"] = sol::property([](const MWWorld::Weather& w) { return w.mDL.FogFactor; },
+            [](MWWorld::Weather& w, const FiniteFloat fogFactor) { w.mDL.FogFactor = fogFactor; });
+        weatherT["distantLandFogOffset"] = sol::property([](const MWWorld::Weather& w) { return w.mDL.FogOffset; },
+            [](MWWorld::Weather& w, const FiniteFloat fogOffset) { w.mDL.FogOffset = fogOffset; });
 
         api["changeWeather"] = [](std::string_view regionId, const MWWorld::Weather& weather) {
             ESM::RefId region = ESM::RefId::deserializeText(regionId);
diff --git a/apps/openmw/mwlua/worldbindings.cpp b/apps/openmw/mwlua/worldbindings.cpp
index 5539d8d77c..d80631c273 100644
--- a/apps/openmw/mwlua/worldbindings.cpp
+++ b/apps/openmw/mwlua/worldbindings.cpp
@@ -10,7 +10,7 @@
 #include <components/esm3/loadnpc.hpp>
 #include <components/esm3/loadweap.hpp>
 #include <components/lua/luastate.hpp>
-#include <components/misc/finitenumbers.hpp>
+#include <components/misc/finitevalues.hpp>
 
 #include "../mwbase/environment.hpp"
 #include "../mwbase/statemanager.hpp"
diff --git a/apps/openmw/mwworld/weather.hpp b/apps/openmw/mwworld/weather.hpp
index ddc96f0ae6..2b4f44620a 100644
--- a/apps/openmw/mwworld/weather.hpp
+++ b/apps/openmw/mwworld/weather.hpp
@@ -114,6 +114,11 @@ namespace MWWorld
         const T& getSunsetValue() const { return mSunsetValue; }
         const T& getNightValue() const { return mNightValue; }
 
+        void setSunriseValue(const T& sunriseValue) { mSunriseValue = sunriseValue; }
+        void setDayValue(const T& dayValue) { mDayValue = dayValue; }
+        void setSunsetValue(const T& sunsetValue) { mSunsetValue = sunsetValue; }
+        void setNightValue(const T& nightValue) { mNightValue = nightValue; }
+
     private:
         T mSunriseValue, mDayValue, mSunsetValue, mNightValue;
     };
diff --git a/components/misc/color.cpp b/components/misc/color.cpp
index 0652e6dbb7..5ad52580d4 100644
--- a/components/misc/color.cpp
+++ b/components/misc/color.cpp
@@ -45,6 +45,11 @@ namespace Misc
         return Color(SceneUtil::colourFromRGB(value));
     }
 
+    Color Color::fromVec(osg::Vec4f value)
+    {
+        return Color(std::move(value));
+    }
+
     std::string Color::toHex() const
     {
         std::string result(6, '0');
diff --git a/components/misc/color.hpp b/components/misc/color.hpp
index 20a24a73ad..83932bb3ee 100644
--- a/components/misc/color.hpp
+++ b/components/misc/color.hpp
@@ -27,9 +27,11 @@ namespace Misc
 
         static Color fromHex(std::string_view hex);
         static Color fromRGB(unsigned int value);
+        static Color fromVec(osg::Vec4f value);
 
         std::string toHex() const;
         unsigned int toRGBA() const { return mValue.asRGBA(); }
+        osg::Vec4f toVec() const { return mValue; }
 
         friend bool operator==(const Color& l, const Color& r);
 
diff --git a/components/misc/finitenumbers.hpp b/components/misc/finitenumbers.hpp
deleted file mode 100644
index 1670791349..0000000000
--- a/components/misc/finitenumbers.hpp
+++ /dev/null
@@ -1,53 +0,0 @@
-#ifndef OPENMW_COMPONENTS_MISC_FINITENUMBERS_HPP
-#define OPENMW_COMPONENTS_MISC_FINITENUMBERS_HPP
-
-#include <components/lua/luastate.hpp>
-
-#include <cmath>
-#include <stdexcept>
-#include <utility>
-
-namespace Misc
-{
-    template <class T>
-    struct FiniteNumber
-    {
-        T mValue;
-
-        FiniteNumber(T v)
-        {
-            if (!std::isfinite(v))
-                throw std::invalid_argument("Value must be a finite number");
-            mValue = v;
-        }
-
-        operator T() const { return mValue; }
-    };
-
-    using FiniteDouble = FiniteNumber<double>;
-
-    using FiniteFloat = FiniteNumber<float>;
-}
-
-namespace sol
-{
-    template <class Handler, class T>
-    bool sol_lua_check(
-        types<Misc::FiniteNumber<T>>, lua_State* state, int index, Handler&& handler, stack::record& tracking)
-    {
-        bool success = stack::check<T>(state, lua_absindex(state, index), std::forward<Handler>(handler));
-        tracking.use(1);
-        return success;
-    }
-
-    template <class T>
-    static Misc::FiniteNumber<T> sol_lua_get(
-        types<Misc::FiniteNumber<T>>, lua_State* state, int index, stack::record& tracking)
-    {
-        T value = stack::get<T>(state, lua_absindex(state, index));
-        tracking.use(1);
-        return value;
-    }
-}
-
-#endif
diff --git a/components/misc/finitevalues.hpp b/components/misc/finitevalues.hpp
new file mode 100644
index 0000000000..7a5126bed7
--- /dev/null
+++ b/components/misc/finitevalues.hpp
@@ -0,0 +1,76 @@
+#ifndef OPENMW_COMPONENTS_MISC_FINITEVALUES_HPP
+#define OPENMW_COMPONENTS_MISC_FINITEVALUES_HPP
+
+#include <osg/Vec2f>
+#include <osg/Vec3f>
+#include <osg/Vec4f>
+
+#include <components/lua/luastate.hpp>
+
+#include <cmath>
+#include <stdexcept>
+#include <type_traits>
+#include <utility>
+
+namespace Misc
+{
+    template <class T>
+    struct FiniteValue
+    {
+        T mValue;
+
+        FiniteValue(T v)
+        {
+            constexpr bool isVecType
+                = std::is_same_v<osg::Vec2f, T> || std::is_same_v<osg::Vec3f, T> || std::is_same_v<osg::Vec4f, T>;
+
+            if constexpr (isVecType)
+            {
+                for (int i = 0; i < T::num_components; ++i)
+                    if (!std::isfinite(v[i]))
+                        throw std::invalid_argument("Vector must contain finite numbers");
+            }
+            else
+            {
+                if (!std::isfinite(v))
+                    throw std::invalid_argument("Value must be a finite number");
+            }
+            mValue = v;
+        }
+
+        operator T() const { return mValue; }
+    };
+
+    using FiniteDouble = FiniteValue<double>;
+
+    using FiniteFloat = FiniteValue<float>;
+
+    using FiniteVec2f = FiniteValue<osg::Vec2f>;
+
+    using FiniteVec3f = FiniteValue<osg::Vec3f>;
+
+    using FiniteVec4f = FiniteValue<osg::Vec4f>;
+}
+
+namespace sol
+{
+    template <class Handler, class T>
+    bool sol_lua_check(
+        types<Misc::FiniteValue<T>>, lua_State* state, int index, Handler&& handler, stack::record& tracking)
+    {
+        bool success = stack::check<T>(state, lua_absindex(state, index), std::forward<Handler>(handler));
+        tracking.use(1);
+        return success;
+    }
+
+    template <class T>
+    static Misc::FiniteValue<T> sol_lua_get(
+        types<Misc::FiniteValue<T>>, lua_State* state, int index, stack::record& tracking)
+    {
+        T value = stack::get<T>(state, lua_absindex(state, index));
+        tracking.use(1);
+        return value;
+    }
+}
+
+#endif
diff --git a/files/lua_api/openmw/core.lua b/files/lua_api/openmw/core.lua
index 56ebdf5e9b..5dc4bfb4e2 100644
--- a/files/lua_api/openmw/core.lua
+++ b/files/lua_api/openmw/core.lua
@@ -1304,7 +1304,6 @@
 ---
 -- Weather data
 -- @type WeatherRecord
--- @extends #userdata
 -- @field #string recordId
 -- @field #number scriptId
 -- @field #string name
@@ -1329,10 +1328,26 @@
 -- @field #number distantLandFogFactor
 -- @field #number distantLandFogOffset
 -- @field openmw.util#Color sunDiscSunsetColor
--- @field #table landFogDepth A table with the keys "sunrise", "day", "sunset" and "night"
--- @field #table skyColor A table with the keys "sunrise", "day", "sunset" and "night". Each is a @{openmw.util#Color}.
--- @field #table ambientColor A table with the keys "sunrise", "day", "sunset" and "night". Each is a @{openmw.util#Color}.
--- @field #table fogColor A table with the keys "sunrise", "day", "sunset" and "night". Each is a @{openmw.util#Color}.
--- @field #table sunColor A table with the keys "sunrise", "day", "sunset" and "night". Each is a @{openmw.util#Color}.
+-- @field #TimeOfDayInterpolatorFloat landFogDepth
+-- @field #TimeOfDayInterpolatorColor skyColor
+-- @field #TimeOfDayInterpolatorColor ambientColor
+-- @field #TimeOfDayInterpolatorColor fogColor
+-- @field #TimeOfDayInterpolatorColor sunColor
+
+---
+-- Interpolates numbers for weathers based on time of day
+-- @type TimeOfDayInterpolatorFloat
+-- @field #number sunrise
+-- @field #number sunset
+-- @field #number day
+-- @field #number night
+
+---
+-- Interpolates colors for weathers based on time of day
+-- @type TimeOfDayInterpolatorColor
+-- @field openmw.util#Color sunrise
+-- @field openmw.util#Color sunset
+-- @field openmw.util#Color day
+-- @field openmw.util#Color night
 
 return nil
diff --git a/scripts/data/integration_tests/test_lua_api/global.lua b/scripts/data/integration_tests/test_lua_api/global.lua
index e231e009e9..fec0b4ead6 100644
--- a/scripts/data/integration_tests/test_lua_api/global.lua
+++ b/scripts/data/integration_tests/test_lua_api/global.lua
@@ -351,13 +351,20 @@ testing.registerGlobalTest('load while teleporting - teleport', function()
     landracer:teleport(player.cell, player.position)
 end)
 
-testing.registerGlobalTest('nan', function()
+testing.registerGlobalTest('nan float', function()
     local nan = 0.0 / 0.0
     local ok, err = pcall(function() world.setGameTimeScale(nan) end)
     testing.expectEqual(ok, false)
     testing.expectEqual(err, 'Value must be a finite number')
 end)
 
+testing.registerGlobalTest('nan vector', function()
+    local nan = 0.0 / 0.0
+    local ok, err = pcall(function() core.weather.records[1].stormDirection = util.vector3(nan, nan, nan) end)
+    testing.expectEqual(ok, false)
+    testing.expectEqual(err, 'Vector must contain finite numbers')
+end)
+
 testing.registerGlobalTest('mwscript magic interactions', function()
     local player = world.players[1]
     local script = world.mwscript.getGlobalScript('OpenMW_Tests', player)
diff --git a/scripts/data/integration_tests/test_lua_api/menu.lua b/scripts/data/integration_tests/test_lua_api/menu.lua
index 8a2a278046..ca5f40c526 100644
--- a/scripts/data/integration_tests/test_lua_api/menu.lua
+++ b/scripts/data/integration_tests/test_lua_api/menu.lua
@@ -73,7 +73,8 @@ registerGlobalTest('memory limit')
 registerGlobalTest('vfs')
 registerGlobalTest('commit crime')
 registerGlobalTest('record model property')
-registerGlobalTest('nan', 'world.setGameTimeScale should not accept nan')
+registerGlobalTest('nan float', 'world.setGameTimeScale should not accept nan')
+registerGlobalTest('nan vector', 'weather.stormDirection should not accept a vector with a nan component')
 
 registerGlobalTest('player yaw rotation', 'rotating player with controls.yawChange should change rotation')
 registerGlobalTest('player pitch rotation', 'rotating player with controls.pitchChange should change rotation')
diff --git a/scripts/data/morrowind_tests/global.lua b/scripts/data/morrowind_tests/global.lua
index 4e4974c727..0de1d8cb30 100644
--- a/scripts/data/morrowind_tests/global.lua
+++ b/scripts/data/morrowind_tests/global.lua
@@ -12,6 +12,7 @@ require('global_issues')
 require('global_dialogues')
 require('global_mwscript')
 require('global_regions')
+require('global_weather')
 
 return {
     engineHandlers = {
diff --git a/scripts/data/morrowind_tests/global_weather.lua b/scripts/data/morrowind_tests/global_weather.lua
new file mode 100644
index 0000000000..15eefc55a0
--- /dev/null
+++ b/scripts/data/morrowind_tests/global_weather.lua
@@ -0,0 +1,10 @@
+local testing = require('testing_util')
+local core = require('openmw.core')
+local util = require('openmw.util')
+
+testing.registerGlobalTest('[weather] Should be able to change weather records', function()
+    local record = core.weather.records['clear']
+    testing.expect(record ~= nil, 'Clear weather to exist')
+    record.skyColor.sunrise = util.color.hex('2227FF')
+    testing.expectEqual(record.skyColor.sunrise, util.color.hex('2227FF'))
+end)