Helsinki local weather Weather forecast Additional information Sun | Mon | Tue | Wed | Thu | Fri | 00 | 03 | 06 | 09 | 12 | 15 | 21 | 03 | 09 | 15 | 21 | 03 | 15 | 03 | 15 | 03 | 15 | 03 | | Forecast updated 18.5.2013 21:16. | | | | | | | | | | | | | | | | | | | | 15° | 14° | 14° | 17° | 19° | 20° | 17° | 15° | 14° | 15° | 13° | 12° | 16° | 12° | 17° | 10° | 13° | 9° | | | | | | | | | | | | | | | | | | | Sunrise today at 4:34. Sunset today at 22:01. Length of day is 17 h 27 min. Local weather observations Recent weather observation: 18 May 2013 22:10 local time| Temperature 18.9 °C | Humidity 78% | | Dew point 15.0 °C | Observation data for the last 2 days |