Helsinki local weather Weather forecast Additional information Tue | Wed | Thu | Fri | Sat | Sun | 18 | 21 | 00 | 03 | 06 | 09 | 15 | 21 | 03 | 09 | 15 | 21 | 03 | 15 | 03 | 15 | 03 | 15 | | Forecast updated 21.5.2013 14:03. | | | | | | | | | | | | | | | | | | | | 18° | 15° | 14° | 13° | 13° | 13° | 13° | 10° | 9° | 10° | 16° | 10° | 9° | 16° | 10° | 19° | 12° | 19° | | | | | | | | | | | | | | | | | | | Sunrise today at 4:28. Sunset today at 22:07. Length of day is 17 h 39 min. Local weather observations Recent weather observation: 21 May 2013 14:30 local time| Temperature 18.2 °C | Humidity 48% | | Dew point 7.0 °C | Observation data for the last 2 days |