Open-Meteo Free Weather & Hydrology API
Open-source weather and hydrological API providing global forecast and historical data including precipitation, evapotranspiration, soil moisture, river discharge forecasts, and flood alerts without API key requirements.
open-meteo.com
At a glance
- Region
- Global
- Coverage
- Global
- Access
- Free
- Category
- Software
What's inside
- Weather Forecast
- Precipitation
- Soil Moisture
- River Discharge Forecast
- Evapotranspiration
What you can do with it
Typical work that data of this type supports.
- 01
Irrigation scheduling
Decide when and how much to irrigate.
Because it has: Soil Moisture
- 02
Water accounting
Track how much water crops actually consume across a command area.
- 03
Design flows
Estimate 1-in-50 and 1-in-100 year floods for bridges, culverts and spillways.
Because it has: River Discharge Forecast
Where AI adds value
Ideas for machine learning and AI agents built on this kind of data.
- 01
Field-scale ET
Estimate crop water use per field by combining satellite and weather with ML.
- 02
Demand forecasts
Predict irrigation demand weeks ahead for canal and pump planning.
- 03
Flow forecasting
Train LSTM-style models on past records to forecast river levels and flow days ahead.
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