Accurate weather data is the backbone of any travel application. Here are the best free and freemium APIs to get you started in 2025.
Whether you are building a flight tracker, a hiking planner, or a hotel booking engine, integrating real-time weather data is essential. We have tested and ranked the top APIs based on reliability, free tier limits, and ease of use.
Weatherstack is one of the most popular options for real-time weather data due to its reliability and ease of use. It's powered by rock-solid data sources and is widely used by major enterprises.
A staple in the developer community. OpenWeatherMap provides a massive amount of data, including weather maps, forecasts, and historical data.
Formerly ClimaCell, this API focuses on "Weather Intelligence." It's great for apps that need hyper-local, minute-by-minute precipitation data.
A versatile API that offers weather, astronomy, and geolocation data in one package. It supports JSON and XML formats.
Known for its accuracy and brand recognition. The AccuWeather API provides detailed forecasts and severe weather alerts.
Check out our full directory for 10 more options including Visual Crossing, AerisWeather, and Stormglass.