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API Terms/Weather
Category

Weather APIs

26 Weather APIs with verified auth, pricing and rate limits. 15 offer a free tier; 3 document an MCP server. Every field carries the source URL that states it.

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APICategoryAuthPricingFree tierLimitsOpenAPIMCPChecked
PixelGustpixelgust.comWeatherAPI keyfreemium✓✓n/d✓2026-07-25
AQICN / World Air Quality Index APIaqicn.orgWeatherAPI keyfree✓✓n/dn/d2026-07-12
Open-Meteoopen-meteo.comWeatherno authfreemium✓✓n/dn/d2026-07-12
Pirate Weatherpirateweather.netWeatherAPI keyfreemium✓✓n/d✓2026-07-12
WeatherAPIweatherapi.comWeatherAPI keyfreemium✓n/d✓✓2026-07-26
ColorfulClouds Weather API (彩云天气 API)caiyunapp.comWeatherAPI keyfreemium✓✓n/dn/d2026-07-08
HG Weatherhgbrasil.comWeatherAPI keyfreemium✓✓n/dn/d2026-07-26
Oikolaboikolab.comWeatherAPI keyusage based✓✓n/dn/d2026-07-12
Tomorrow.io Weather APItomorrow.ioWeatherAPI keyfreemium✓n/dn/dn/d2026-07-12
Meteosource Weather APImeteosource.comWeathern/dfreemium✓✓n/dn/d2026-07-12
OpenWeatherMap APIopenweathermap.orgWeatherAPI keyfreemium✓n/dn/dn/d2026-07-26
Weatherstackweatherstack.comWeathern/dfreemium✓✓n/dn/d2026-07-12
weatherstack (formerly APIXU)apixu.comWeathern/dfreemium✓n/dn/dn/d2026-07-12
Meteorologisk Institutt (MET Norway)met.noWeathern/dfree✓n/dn/dn/d2026-07-26
wttr.inwttr.inWeatherno authn/dn/dn/dn/dn/d2026-07-12
Rainbow Weatherrainbow.aiWeathern/dcontact salesn/dn/dn/dn/d2026-07-12
RainViewerrainviewer.comWeathern/dn/d✓n/dn/dn/d2026-07-26
7Timer!7timer.infoWeathern/dn/dn/dn/dn/dn/d2026-07-12
AccuWeatheraccuweather.comWeathern/dn/dn/dn/dn/dn/d2026-07-26
AviationWeatheraviationweather.govWeathern/dn/dn/dn/dn/dn/d2026-07-12
Euskalmeteuskadi.eusWeathern/dn/dn/dn/dn/dn/d2026-07-12
Forecaforeca.comWeathern/dn/dn/dn/dn/dn/d2026-07-26
IPMAipma.ptWeathern/dn/dn/dn/dn/dn/d2026-07-26
openSenseMapopensensemap.orgWeathern/dn/dn/dn/dn/dn/d2026-07-12
QWeatherqweather.comWeathern/dn/dn/dn/dn/dn/d2026-07-26
US National Weather Service APIweather.govWeathern/dn/dn/dn/dn/dn/d2026-07-26