What are the best Weather APIs? (2026)

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

Chinese hyper-local weather — minute-level precipitation forecast, air quality, global coverage

Weather

Meteorological data of the Basque Country

Weather

Global weather forecast API for any use. Leverage the NBM and GFS models. Great for bulk pulls

Chinese weather API — 7-10 day forecast, hourly data, disaster warnings, air quality, lifestyle indices

Provides weather forecast data for cities in Brazil

Provide weather information, earthquake information, and climate data

Weather and climate data from KMA

Weather data for the UK

Weather

Global weather data with 100+ weather variables, 14 days ahead and 4 days of history data.

Weather and climate data

Global weather forecasts based on machine learning and historical data

Real time weather forecasts and historic data

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

Location-based weather data

Radar data collected from different websites across the Internet

Chinese weather service — real-time, forecast, air quality, sunrise/sunset, Chinese calendar data

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

This an interactive version of the documentation for the Weatherbit API. The base URL for the API is [http://api.weatherbit.io/v2.0/](http://api.weatherbit.io/v2.0/) or [https://api.weatherbit.io/...

Real-Time & Historical World Weather Data API

Assesses weather condition in specific locations