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 10:47 AM. The temperature feels like 83.65 with a humidity level of 77 so dress accordingly. Cloud coverage is 2 percent with visibility at 13.7 percent. Today’s UV index is 4, don’t forget the sunscreen if you need it! Today’s winds are traveling east at a speed of 9 MPH. At the end of the day don’t miss the sunset at 9:54 PM.