If you planning to travel to Harvard Square, Cambridge, 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 11:46 AM. The temperature feels like 39.8 with a humidity level of 58 so dress accordingly. Cloud coverage is 13 percent with visibility at 14.8 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling west at a speed of 15 MPH. At the end of the day don’t miss the sunset at 9:14 PM.