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.

Already have an account?

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

Snow-covered mountains reflecting in a calm lake surrounded by evergreen trees.

Reporting on high impact weather hazards

Forest fire with smoke billowing and flames visible among trees in a mountainous area.

Advanced modeling sources and data treatments

Wind turbines positioned on a mountain ridge above a layer of clouds with distant mountains in the background.

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

Get in touch

Share your weather data needs and a sales consultant will reach out to you to discuss the best API plan for your business.

Ready to get started?

Select the solution that interests you and share your details — our client partner will reach out to help you discover the best fit.