If you planning to travel to Powder House Square, Somerville, Massachusetts, 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 11:22 AM. The temperature feels like 58.900000000000006 with a humidity level of 79 so dress accordingly. Cloud coverage is 39 percent with visibility at 11.6 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling southwest at a speed of 10 MPH. At the end of the day don’t miss the sunset at 9:30 PM.