Skip to main content
Finnish Meteorological Institute
No search results
Suomi På svenska
Finnish Meteorological Institute Finnish Meteorological Institute
Home
Weather and sea
»  Local weather
»  Marine weather and Baltic Sea
»  Warnings
»  Rain and cloudiness
»  Solar and wind power forecast
»  Air quality now
»  Auroras and space weather
»  Mobile weather and service numbers
»  Unit converter
Statistics
Services and products
Scientific themes
Research
About us
Suomi På svenska In English
No search results
  • Weather and sea
  • Local weather
Weather and sea
Local weather
Marine weather and Baltic Sea
Warnings
Rain and cloudiness
Solar and wind power forecast
Air quality now
Auroras and space weather
Mobile weather and service numbers
Unit converter
Forecast updated 16.9.2025 14:49 function () { [native code] }

Cayenne, French Guiana

Loading forecast...

Length of day

Footer

Finnish Meteorological Institute

Street address

Dynamicum
Erik Palménin aukio 1, FI-00560 Helsinki

Postal address

P.O. BOX 503
FI-00101 Helsinki

Switchboard

+358 29 539 1000

Contact us

  • Contact information
  • Send feedback
  • RSS-feed
  • Site information
  • Web accessibility
  • Order press releases

See also

  • Climateguide.fi
  • Climate Bulletin
  • FMI Space
  • World Weather WMO
  • Aviation Weather Portal
  • Open data
  • Waterinfo.fi
  • Antarctica

Follow us

  • Twitter
  • Instagram
  • YouTube
  • LinkedIn

Download weather app

  • App Store
  • Google Play
©Finnish Meteorological Institute
©Finnish Meteorological Institute