WeatherSync

Once enabled, WeatherSync periodically fetches current weather data and applies it to the world, so rain, clouds and clear skies on the server track the conditions at the configured location. A set of in-game commands controls the mod: turning it on or off, setting the location, forcing an immediate sync, and checking how long remains until the next scheduled global sync.

The location can be set automatically by geolocating the server's IP address, by naming a city whose coordinates the mod then queries, or by entering a latitude and longitude directly. The weather data comes from Open-Meteo, with GeoIP lookups handled through DB-IP, and the API base URL can be changed with the weathersync.api-backend Java system property if a different backend is needed. Cardinal Components API is bundled inside the mod, while Fabric API must be installed separately.

WeatherSync runs on the server only, so players join without installing anything. It is published for Fabric on 1.20.4 alone, with the 0.4 build dated 2024-01-18 as the latest file. The code is open source under the European Union Public License 1.2, and the source code and issue tracker are public.