If you planning to travel to Boston Public Library, Boston, 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 10:40 AM. The temperature feels like 51.55 with a humidity level of 86 so dress accordingly. Cloud coverage is 100 percent with visibility at 9.4 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southeast at a speed of 6 MPH. At the end of the day don’t miss the sunset at 10:23 PM.