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 3:41 AM. The temperature feels like 62.25 with a humidity level of 82 so dress accordingly. Cloud coverage is 52 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 south-southeast at a speed of 5 MPH. At the end of the day don’t miss the sunset at 4:46 PM.