APIs

Weather Source APIs

Unlock instant, programmatic access to detailed weather APIs for business. The Weather Source APIs put high-resolution forecasts, climatology and historical insights at your fingertips. Powered by our OnPoint® platform – one of the highest resolution grids in the market, the APIs feature advanced model sources, dynamic elevation adjustments and parameter-rich endpoints.

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NOAA HISTORICAL WEATHER

Historical daily and hourly weather observations, based on NOAA Reanalysis dataset.

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GFS FORECAST

Up to 15-day or 240-hour forecast, based on NOAA-GFS dataset.

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PWS CLIMATOLOGY

Proprietary Climatology providing typical weather for each location.

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NOWCAST

Current weather conditions.

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WEATHER FOR APPS

Current weather and 10-day forecast for display on apps and web pages.

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ASTRONOMY

Solar and lunar positions and characteristics.

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GLOBAL WEATHER FORECAST (ECMWF)

Up to 15-day or 360-hour forecast, based on ECMWF-HRES dataset.

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GLOBAL WEATHER FORECAST - VERT ADJUSTED (ECMWF)

Elevation adjusted forecast for up to 15-day or 360-hour, based on ECMWF-HRES dataset.

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AIR QUALITY FORECAST (CAMS)

A 4-day 120-hour air quality forecast, based on CAMS Air Quality dataset.

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HIGH-RES RAPID REFRESH FORECAST (HRRR)

High Resolution Rapid Refresh forecast for up to 18-hours.

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HIGH-RES RAPID REFRESH FORECAST - VERT ADJUSTED (HRRR)

Elevation adjusted High Resolution Rapid Refresh forecast for up to 18-hours.

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NWS ALERTS

Active NWS advisories, watches, and warnings.

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GFS UV FORECAST

Daily and hourly UV data for up to 5-days.

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POLLEN FORECAST

Hourly pollen forecast for up to 48-hours.

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LIGHTNING DATA

Global lightning event archive.

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LOCATION

Geospatial metadata.