Weather APIs

Weather, especially for Astroweather

Weather and forecast data

Weather and forecast data from Spain

Weather

Air Quality Index Data for over 1000 cities

NOAA aviation weather forecasts and observations

Weather

Meteorological data of the Basque Country

Weather

Radar-detected hail history for any US address from NOAA NEXRAD Level-III hail detections, by year

Provides weather forecast data for cities in Brazil

Provide weather information, earthquake information, and climate data

Portuguese weather and climate data

Multi-model weather: GFS, ECMWF AIFS/IFS and a 31-member GEFS ensemble, keyless point forecasts

Weather and climate data

Real time weather forecasts and historic data

Weather and weather webcams

70+ years of global, hourly historical and forecast weather data from NOAA and ECMWF

Global weather forecast API for non-commercial use

Data from Personal Weather Stations called senseBoxes

Real-time UV Index Forecast

Weather

Free weather API with forecast data similar to Dark Sky

Location-based weather data

Global real-time nowcasting API powered by radar + satellite fusion

Radar data collected from different websites across the Internet

Global marine weather from multiple sources

Weather API Powered by Proprietary Technology

US National Weather Service

Global historical and weather forecast data

A RESTful free API to check the weather

Weather API with other stuff like Astronomy and Geolocation API

Weather

Real-Time & Historical World Weather Data API

Current weather, local time, UTC offset and DST rules for 400 cities as static JSON

Weather in your terminal, supports JSON output

Assesses weather condition in specific locations