/API TERMS
API Terms/Weather/OpenWeatherMap API

OpenWeatherMap API

openweathermap.org

Provides real-time weather, hourly and daily forecasts, national alerts, and historical weather data for locations worldwide via API.

The OpenWeatherMap API API uses API key authentication; has freemium pricing; offers a free tier (1,000 free API calls per day). Verified 2026-07-26 with per-field source links.

Weather Verified 2026-07-26 low confidence
Base URL
not documented null
no source
Auth
API key
openweathermap.org ↗
Free tier
1,000 free API calls per day
openweathermap.org ↗
Pricing model
freemium
openweathermap.org ↗
Pricing
Start with 1,000 free API calls per day, then pay-as-you-call pricing
openweathermap.org ↗
Rate limits
not documented null
no source
OpenAPI spec
not documented null
no source
MCP server
not documented null
no source