If you planning to travel to Suomenlinna Fortress, Helsinki, Finland, here is your 6-day travel weather forecast to make sure you have all the essentials needed during your stay. Start your day when the sunrises at 1:55 AM. The temperature feels like 35.349999999999994 with a humidity level of 69 so dress accordingly. Cloud coverage is 48 percent with visibility at -- percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling southwest at a speed of 11 MPH. At the end of the day don’t miss the sunset at 6:41 PM.