If you planning to travel to Monument Square, Portland, Maine, 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 11:15 AM. The temperature feels like 52.9 with a humidity level of 90 so dress accordingly. Cloud coverage is 89 percent with visibility at 7 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 11 MPH. At the end of the day don’t miss the sunset at 9:34 PM.