Weather API with Hyperlocal Forecasts, Historical Data, and Real-Time Models
CustomWeather provides a developer-friendly weather API with 100m resolution forecasts, 50+ years of historical data, and real-time global weather intelligence.
25 years of precision weather data
Trusted by businesses and developers for over 25 years, our weather resources enable you to build and easily integrate accurate, high-quality weather data into your projects.
An API for every project
Access the most comprehensive historical weather datasets available—designed for developers, data scientists, and enterprise teams building data-driven applications. CustomWeather's Historical API delivers high-quality climate data across multiple time scales, enabling everything from simple trend analysis to advanced machine learning workflows.
Access precise weather data for any location worldwide. Available in XML or JSON, forecasts can be refined to 100m.
Our Cloud Weather Services (CWS) API enables real-time point access to large gridded data sets, without the download of complete government model data sets.
Our Maps API allows anyone to create their own engaging maps with accurate weather data from CustomWeather. Request map layers in real-time, set your size and area, and use our base maps or your own.
Access meteorological layers derived from dozens of weather models, and real-time information such as radar, satellite, estimated temperatures, weather warnings and tropical storm tracking.
What makes CustomWeather's API the best choice for developers?
Up to 100-meter resolution weather data.
Over 50 years of weather data for analysis and modeling.
Continuously updated global weather conditions.
Supports JSON and XML.
CustomWeather API: Explore the API Documentation
From 100m hyperlocal forecasts to 50+ years of historical data and 5 distinct API products — get precisely the weather intelligence your application needs.