Products & solutions » Pelmorex Weather Source » Weather Source APIs
99.999% uptime. Always available. Always accurate.
Powered by our OnPoint® platform, Weather Source APIs give you fast, reliable access to precise weather and climate data — anywhere in the world. Built for enterprise scale and designed for ease, they provide the detailed insights your business needs to operate with confidence.
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For support or troubleshooting, please contact pws-support@pelmorex.com
The Pelmorex Weather Source advantage
Explore the advantages of our enterprise-grade architecture and data parameters.
Feature-rich endpoints: Proprietary climate data; historical & forecast datasets from global weather models such as ECMWF, NOAA & more
Developer-friendly interface: Pragmatically RESTful interface for streamlined integration; detailed error reporting for quick troubleshooting
Flexible response formats: JSON and JSONP responses in metric, imperial and standard units; French & Spanish translations for global reach
Advanced security:
Robust account management tools and always-on SSL connections for secure data transmission
Industry-leading global grid: High resolution, temporally and spatially complete weather data for all land areas and up to 200 miles offshore
Trusted consistency: Uniform grids, advanced quality control tests and real-time error corrections delivering reliable, actionable data
Weather data engineered for decisions
All Weather Source APIs are available in hourly or daily resolutions. Daily formats include minimum, maximum and average values for each supported parameter.
Covering all major weather parameters

- Temperature, dew point, heat index, wind chill, feels like, wet bulb
- Precipitation, snowfall, solar radiation, cloud cover
- Pressure (MSL, SFC), pressure tendency, humidity (relative and specific)
- Wind speed and direction (10m, 80m, 100m)
Reporting on high impact weather hazards

- Hail, hurricanes, tornadoes, wildfires
- Flooding (river, storm surge), roof collapse, frozen pipes
- Heat waves, heavy rain/lightning, thunderstorms, tsunamis, micro-bursts
Advanced modeling sources and data treatments

- European Centre for Medium-Range Weather Forecasts (ECMWF)
- National Oceanic and Atmospheric Administration (NOAA)
- National Weather Service (NWS) Alerts
- Dynamic elevation adjustments available for relevant products
Find the right Weather Source API for your business
Start free. Scale seamlessly.
Choose an API plan that meets your business needs:
| API plan types | ||||
|---|---|---|---|---|
| Free | Starter | Professional | Business | |
| Annual subscription fee |
$0
Get API key
|
Contact for pricing | ||
| Credits per day | 1,000 | 5,000 | 150,000 | Starting at 625k |
| Resource access | ||||
| GFS forecast | ✅ | ✅ | ✅ | ✅ |
| NOAA historical weather | Previous day | 1 year | 5 years | 20 years |
| High-res rapid refresh (HRRR) | ✅ | ✅ | ✅ | |
| Weather for apps | ✅ | ✅ | ✅ | |
| Astronomy | ✅ | ✅ | ✅ | |
| UV forecast | ✅ | ✅ | ✅ | |
| NWS alerts | ✅ | ✅ | ✅ | |
| Nowcast | ✅ | ✅ | ✅ | |
| Location | ✅ | ✅ | ✅ | |
| PWS climatology | ✅ | ✅ | ||
| Global weather forecast (ECMWF) | ✅ | ✅ | ||
| Air quality forecast (CAMS) | ✅ | ✅ | ||
| Global weather VERT adjusted | ✅ | |||
| HRRR VERT adjusted | ✅ | |||
| Additional APIs | ||||
| Lightning data | Contact for pricing | |||
| Pollen forecast | Contact for pricing | |||
Get your custom free trial
Contact our dedicated sales team today to get started with a custom trial for your business