The 10-day span for Turku runs from a high near 69° on Saturday down to 47° overnight on Thursday. About 0.25 in of precipitation is expected in total; the most likely wet day is Thursday (69% chance). Wind is the one to watch: gusts to 27 mph around Wednesday. Right now Turku is running about 26° warmer than Helsinki. Longer view: a high-latitude climate — short, luminous summers and long, dark winters.
Turku, Finland · 60.45°N, 22.27°E · Europe/Helsinki · Forecast computed for these exact coordinates