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Public APIs · by APILayerData from public-apis (MIT)
  1. Home
  2. /Categories
  3. /Weather

Free Weather APIs

47 free public Weather APIs for developers. 44 support HTTPS, 20 allow CORS from the browser and 22 need no API key.

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Showing 47 of 47 APIs

7Timer! logo

7Timer!

Weather, especially for Astroweather

No authNo HTTPSCORS ?
AccuWeather logo

AccuWeather

Weather and forecast data

apiKeyNo HTTPSCORS ?
A

Aemet

Weather and forecast data from Spain

apiKeyHTTPSCORS ?
APIXU logo

APIXU

Weather

apiKeyHTTPSCORS ?
AQICN logo

AQICN

Air Quality Index Data for over 1000 cities

apiKeyHTTPSCORS ?
AviationWeather logo

AviationWeather

NOAA aviation weather forecasts and observations

No authHTTPSCORS ?
C

ColorfulClouds

Weather

apiKeyHTTPSCORS
Euskalmet logo

Euskalmet

Meteorological data of the Basque Country

apiKeyHTTPSCORS ?
FMI Open Data logo

FMI Open Data

Finnish weather, sea, climate and radar observations via open WFS

No authHTTPSCORS
Foreca logo

Foreca

Weather

OAuthHTTPSCORS ?
H

Hail History

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

No authHTTPSCORS
HG Weather logo

HG Weather

Provides weather forecast data for cities in Brazil

apiKeyHTTPSCORS
Hong Kong Obervatory logo

Hong Kong Obervatory

Provide weather information, earthquake information, and climate data

No authHTTPSCORS ?
I

IPMA

Portuguese weather and climate data

No authHTTPSCORS ?
KNMI logo

KNMI

Dutch weather, radar and climate data

apiKeyHTTPSCORS ?
M

Meltema

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

No authHTTPSNo CORS
Met Office DataHub logo

Met Office DataHub

UK weather forecasts and climate data

apiKeyHTTPSCORS ?
Meteorologisk Institutt logo

Meteorologisk Institutt

Weather and climate data

User-AgentHTTPSCORS ?
Micro Weather logo

Micro Weather

Real time weather forecasts and historic data

apiKeyHTTPSCORS ?
Météo-France logo

Météo-France

French weather forecasts and alerts

apiKeyHTTPSCORS ?
NASA POWER logo

NASA POWER

Global solar and weather data for energy and agriculture

No authHTTPSCORS
N

NOAA CO-OPS

US coastal tides, water levels, currents and meteorological observations

No authHTTPSCORS ?
ODWeather logo

ODWeather

Weather and weather webcams

No authNo HTTPSCORS ?
Oikolab logo

Oikolab

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

apiKeyHTTPSCORS
Open-Meteo logo

Open-Meteo

Global weather forecast API for non-commercial use

No authHTTPSCORS
Open-Meteo Ensemble logo

Open-Meteo Ensemble

Weather ensemble forecasts from multiple models

No authHTTPSCORS
O

openSenseMap

Data from Personal Weather Stations called senseBoxes

No authHTTPSCORS
OpenUV logo

OpenUV

Real-time UV Index Forecast

apiKeyHTTPSCORS ?
OpenWeatherMap logo

OpenWeatherMap

Weather

apiKeyHTTPSCORS ?
Pirate Weather logo

Pirate Weather

Free weather API with forecast data similar to Dark Sky

No authHTTPSCORS
QWeather logo

QWeather

Location-based weather data

apiKeyHTTPSCORS
Rainbow Weather logo

Rainbow Weather

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

apiKeyHTTPSCORS ?
RainViewer logo

RainViewer

Radar data collected from different websites across the Internet

No authHTTPSCORS ?
Storm Glass logo

Storm Glass

Global marine weather from multiple sources

apiKeyHTTPSCORS
Terrace Weather logo

Terrace Weather

Terrace open/closed verdict for restaurants, from the weather forecast

No authHTTPSCORS
Tomorrow logo

Tomorrow

Weather API Powered by Proprietary Technology

apiKeyHTTPSCORS ?
US Weather logo

US Weather

US National Weather Service

No authHTTPSCORS
Veabird logo

Veabird

Beach (sargassum, waves, hurricanes) and ski snow forecasts for 1,900+ resorts, no key

No authHTTPSCORS
Visual Crossing logo

Visual Crossing

Global historical and weather forecast data

apiKeyHTTPSCORS
weather-api logo

weather-api

A RESTful free API to check the weather

No authHTTPSNo CORS
WeatherAPI logo

WeatherAPI

Weather API with other stuff like Astronomy and Geolocation API

apiKeyHTTPSCORS
Weatherbit logo

Weatherbit

Weather

apiKeyHTTPSCORS ?
Weatherstack logo

Weatherstack

Real-Time & Historical World Weather Data API

apiKeyHTTPSCORS ?
WeatherTotals logo

WeatherTotals

Measured US snow, rain, hail and aurora totals by state and city

No authHTTPSCORS
World Time & Weather logo

World Time & Weather

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

No authHTTPSCORS
wttr.in logo

wttr.in

Weather in your terminal, supports JSON output

No authHTTPSCORS
Yandex.Weather logo

Yandex.Weather

Assesses weather condition in specific locations

apiKeyHTTPSNo CORS

Weather API FAQ

How many free Weather APIs are there?

There are 47 free public Weather APIs in the directory. 44 support HTTPS, 20 are confirmed to allow CORS and 22 need no API key.

Which Weather APIs work without an API key?

22 Weather APIs need no authentication, including 7Timer!, AviationWeather, FMI Open Data and Hail History. You can call them straight away without signing up.

Which Weather APIs can I call from the browser?

APIs with CORS enabled can be called directly from front-end JavaScript. In Weather, that includes ColorfulClouds, FMI Open Data, Hail History and HG Weather.