If you planning to travel to Stony Brook Grist Mill and Museum, Brewster, 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 11:22 AM. The temperature feels like 48.65 with a humidity level of 67 so dress accordingly. Cloud coverage is 40 percent with visibility at 14.5 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling west-southwest at a speed of 10 MPH. At the end of the day don’t miss the sunset at 9:23 PM.