Best Weather APIs (2025)

7Timer! is a series of web-based meteorological forecast products, mainly derived from the NOAA/NCEP-based numeric weather model, the Global Forecast System (GFS).

The AccuWeather APIs, available on their developer website, provide a range of weather and forecast data that can be integrated into various applications and services. With these APIs, developers can access current weather conditions, hourly and daily forecasts, and historical weather data for locations around the world. The AccuWeather APIs are powered by advanced forecasting technologies, providing accurate and reliable weather information to millions of people every day. Whether you're building a weather app, a travel website, or just want to stay informed about the latest weather conditions, the AccuWeather APIs are a valuable resource that can help you meet your needs. So why not check them out today and see how they can enhance your applications and services?

Weather and forecast data from Spain

APIXU weather and geolocation API provides you with access to get real-time, future and historical data ranging from weather, sports, astronomy, currency and much more for your website or application for any IP address, city, zip or geo point in the world. Real-Time & Historical World Weather Data API Retrieve instant, accurate weather information for any location in the world in lightweight JSON format Trusted by 75,000 companies worldwide START USING THE API — It's free!

Air Quality Index Data for over 1000 cities

NOAA aviation weather forecasts and observations

Climate Data Online (CDO) provides free access to NCDC's archive of global historical weather and climate data in addition to station history information. Is it foggy? Rainy? A clear day? If you need a description of what the weather is like, simply request the weather code. As our beloved API consumers, we provide full access to our library of weather icons. Be sure to place a “Powered by ClimaCell” attribution in your application if you use our icons.

Colorful Clouds Weather API provided accurate weather forecast for the public and partners. We provide two kind of nowcasting service: pointwise API calls specified by latitude and longitude forecasted weather radar images and forecasted data matrix.

Meteorological data of the Basque Country

Weather

Provides weather forecast data for cities in Brazil

Provide weather information, earthquake information, and climate data