If you planning to travel to Granite Theatre, Westerly, Rhode Island, 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 9:50 AM. The temperature feels like 40.95 with a humidity level of 62 so dress accordingly. Cloud coverage is 4 percent with visibility at 13.3 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 7 MPH. At the end of the day don’t miss the sunset at 11:42 PM.