If you planning to travel to Jamestown Windmill, Jamestown, 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 11:43 AM. The temperature feels like 43.45 with a humidity level of 84 so dress accordingly. Cloud coverage is 76 percent with visibility at 12.9 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southeast at a speed of 13 MPH. At the end of the day don’t miss the sunset at 9:20 PM.