Helsinki local weather Weather forecast Additional information Thu | Fri | Sat | Sun | Mon | Tue | 00 | 03 | 06 | 09 | 12 | 15 | 21 | 03 | 09 | 15 | 21 | 03 | 15 | 03 | 15 | 03 | 15 | 03 | | Forecast updated 23.5.2012 19:49. | | | | | | | | | | | | | | | | | | | | 8° | 8° | 8° | 13° | 15° | 16° | 11° | 8° | 14° | 22° | 15° | 11° | 23° | 12° | 19° | 12° | 21° | 14° | | | | | | | | | | | | | | | | | | | Sunrise today at 4:23. Sunset today at 22:12. Length of day is 17 h 49 min. Local weather observations Recent weather observation: 23 May 2012 20:50 local time| Temperature 12.4 °C | Humidity 39% | | Dew point -1.3 °C | Observation data for the last 2 days |