SMHI

Swedish Meteorological and Hydrological Institute.

API

Forecast

Documentation: smhi.se/klimatdata/Oppna-data/Meteorologiska-data/api-for-vaderprognosdata-1.34233/

Responses in JSON format for 10 days ahead. No API key needed.

Resources

  • Air pressure, reduced to sea level
  • Air temperature
  • Visibility
  • Wind Direction
  • Wind Speed
  • R Relative Humidity
  • Chance of thunder
  • Total amount clouds
  • Cloud Quantity
  • Gust
  • Precipitation Intensity
  • Form of Precipitation

Example
HTTP GET http://opendata-download-metfcst.smhi.se/api/category/pmp1.5g/version/1/geopoint/lat/58.34/lon/16.98/data.json (click the link to see response example)

Observations

Documentation: smhi.se/klimatdata/Oppna-data/Meteorologiska-data/meteorologiska-observationer-1.34237

The actual meteorological observations archived in CSV, JSON or XML format

Resources

  • Temperature
  • Precipitation
  • Wind direction
  • Wind speed
  • Relative humidity
  • Quality review

Example
HTTP GET http://opendata-download-metobs.smhi.se/api/version/latest/parameter/1.atom (click the link to see response example)

Other
  • Regional weather forecasts for one to two days. More detailed than the global forecasts. Documentation
  • Actual meteorological observations in GRIB format (or an XML feed). Documentation