Public APIs about Weather

Weather, especially for Astroweather

Weather and forecast data

Weather and forecast data from Spain

Real-Time & Historical World Weather Data API

Weather

Air Quality Index Data for over 1000 cities

NOAA aviation weather forecasts and observations

Weather

Meteorological data of the Basque Country

Weather

Provides weather forecast data for cities in Brazil

Provide weather information, earthquake information, and climate data

Weather

Weather and climate data

Real time weather forecasts and historic data

Weather and weather webcams

Global weather forecast API for non-commercial use

Data from Personal Weather Stations called senseBoxes

Real-time UV Index Forecast

Weather

Location-based weather data

Radar data collected from different websites across the Internet

Simple tool for get current weather

Global marine weather from multiple sources

Weather API Powered by Proprietary Technology

Global weather and climate data

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

Weather API from Yahoo

Assesses weather condition in specific locations

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

Serverless API functions to fetch weather data