If you planning to travel to Chatham Windmill, 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 12:05 PM. The temperature feels like 36.8 with a humidity level of 84 so dress accordingly. Cloud coverage is 89 percent with visibility at 8 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 6 MPH. At the end of the day don’t miss the sunset at 9:31 PM.