What data and delivery options are available in the Spire Weather API?

A brief description of data formats and content bundles for the Spire Weather APIs.

For information on the data variables included in each bundle, please see here.

Weather Forecast Point API

  • Returns JSON text data for a user-specified latitude & longitude coordinate pair
  • API endpoint:
    • https://api.wx.spire.com/forecast/point
  • Available bundles:
    • basic,  maritime,  maritime-waves,  agricultural,  renewable-energy

Weather Forecast File API

  • Returns GRIB2 forecast data files for a region
  • We generally suggest Global data, but the API can support limiting data to smaller regions
  • API endpoint:
    • https://api.wx.spire.com/forecast/file
  • Available bundles:
    • basic,  maritime,  maritime-waves,  agricultural,  renewable-energy,  aviation,  thunderstorm,  upper-air

Weather Forecast Sample File API

  • Returns historical GRIB2 forecast data files
  • For most bundles, data is consistently available back to August 2019 (may be limited eventually)
  • API endpoint:
    • https://api.wx.spire.com/sample/file
  • Available bundles:
    • basic,  maritime,  maritime-waves,  agricultural,  renewable-energy,  aviation, thunderstorm,  upper-air

Weather OWS API

  • Returns pre-styled and geo-referenced weather visualization layers in Web Map Service (WMS) format
  • API endpoint:
    • https://api.wx.spire.com/ows/wms
  • Available bundles:
    • basic,  maritime
      • additional bundles under development

Weather Forecast Optimized Point API

  • Returns JSON text data for a user-specified WMO or ICAO identifier
  • API endpoint:
    • https://api.wx.spire.com/forecast/point/optimized
  • Available variables:
    • Air temperature (2m)
    • Dew point temperature
    • Relative humidity
    • 24-hour maximum temperature
    • 24-hour minimum temperature
    • 24-hour probability of precipitation
    • Surface wind speed & direction
    • Surface visibility
    • Cloud cover percentage
    • 1,3, and 6-hour quantitative precipitation
    • 1,3, and 6-hour probability of precipitation
    • Conditional probability of rain/snow
    • Conditional probability of ice/freezing rain
    • Probability of fog
    • Probability of thunderstorms