Helsinki local weather Weather forecast Additional information Thu | Fri | Sat | Sun | Mon | Tue | 15 | 18 | 21 | 00 | 03 | 06 | 09 | 15 | 21 | 03 | 09 | 15 | 03 | 15 | 03 | 15 | 03 | 15 | | Forecast updated 23.5.2013 12:24. | | | | | | | | | | | | | | | | | | | | 12° | 12° | 10° | 10° | 10° | 10° | 12° | 17° | 13° | 11° | 15° | 20° | 14° | 14° | 11° | 16° | 10° | 20° | | | | | | | | | | | | | | | | | | | Sunrise today at 4:24. Sunset today at 22:12. Length of day is 17 h 48 min. Local weather observations Recent weather observation: 23 May 2013 13:00 local time| Temperature 9.9 °C | Humidity 100% | | Dew point 9.9 °C | Observation data for the last 2 days |