If you planning to travel to Loines Observatory, Nantucket, 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 11:30 AM. The temperature feels like 49.8 with a humidity level of 62 so dress accordingly. Cloud coverage is 9 percent with visibility at 14.8 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling north-northwest at a speed of 12 MPH. At the end of the day don’t miss the sunset at 9:18 PM.