If you planning to travel to Sunset Beach, St. John, U.S. Virgin Islands, 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 10:27 AM. The temperature feels like 82.15 with a humidity level of 81 so dress accordingly. Cloud coverage is 0 percent with visibility at 14.9 percent. Today’s UV index is 7, don’t forget the sunscreen if you need it! Today’s winds are traveling northeast at a speed of 11 MPH. At the end of the day don’t miss the sunset at 9:43 PM.