Tomorrow.io Weather API

tomorrow.io

Provides weather data via API endpoints for real-time, forecast, and historical conditions with 60+ data layers including air quality, pollen, fire, and maritime.

The Tomorrow.io Weather API API uses api key authentication; has freemium pricing; offers a free tier (Free plan: 5-day forecast, core weather data layers, 24 hours historical data, 1 monitored location, 1 weather-based alert). Verified 2026-07-12 with per-field source links.

Weather Verified 2026-07-12 medium confidence

Base URL

https://api.tomorrow.io/v4

tomorrow.io ↗

Auth

api_key

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Free tier

Free plan: 5-day forecast, core weather data layers, 24 hours historical data, 1 monitored location, 1 weather-based alert

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Pricing model

freemium

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Pricing

Free tier for individuals/teams getting started; Enterprise tier is 'Contact us for Offer' with 14-day forecast, premium data layers, custom SLAs and more

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Rate limits

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OpenAPI spec

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MCP server

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