If you planning to travel to National Heritage Museum, Lexington, 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 11:54 AM. The temperature feels like 45.15 with a humidity level of 92 so dress accordingly. Cloud coverage is 69 percent with visibility at 8.4 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 6 MPH. At the end of the day don’t miss the sunset at 9:11 PM.