If you planning to travel to Chatham Lighthouse, Chatham, 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 11:27 AM. The temperature feels like 38.95 with a humidity level of 71 so dress accordingly. Cloud coverage is 28 percent with visibility at 14.8 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling north-northeast at a speed of 15 MPH. At the end of the day don’t miss the sunset at 9:19 PM.