47 free public Weather APIs for developers. 44 support HTTPS, 20 allow CORS from the browser and 22 need no API key.
Showing 47 of 47 APIs
Weather and forecast data from Spain
Weather
Radar-detected hail history for any US address from NOAA NEXRAD Level-III hail detections, by year
Portuguese weather and climate data
Multi-model weather: GFS, ECMWF AIFS/IFS and a 31-member GEFS ensemble, keyless point forecasts
US coastal tides, water levels, currents and meteorological observations
Data from Personal Weather Stations called senseBoxes
Current weather, local time, UTC offset and DST rules for 400 cities as static JSON
There are 47 free public Weather APIs in the directory. 44 support HTTPS, 20 are confirmed to allow CORS and 22 need no API key.
22 Weather APIs need no authentication, including 7Timer!, AviationWeather, FMI Open Data and Hail History. You can call them straight away without signing up.
APIs with CORS enabled can be called directly from front-end JavaScript. In Weather, that includes ColorfulClouds, FMI Open Data, Hail History and HG Weather.