Tomorrow.io
FreemiumLiveLast verified 24 Sept 2026
Realtime conditions plus hourly (120h) and 5-day forecasts from proprietary models, with 60+ data layers.
Example request
curl -s --compressed "https://api.tomorrow.io/v4/weather/forecast?location=42.3478,-71.0466&apikey=$API_KEY"
Free tier, in plain English
A free self-serve key covers 5-day forecasts and core weather layers for non-commercial use. Commercial use, 14-day forecasts and premium layers such as air quality and pollen go through an Enterprise contract.
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