Traveling to Yacht Haven Grande Marina, St. Thomas, U.S. Virgin Islands? Here is your 6-day weather forecast in the area. Whether it is a warm weather destinations or cold climate don’t forget to consider weather, while you pack your bags for this trip. Start your day when the sunrises at 10:36 AM and don’t miss the sunset at 9:45 PM. Today’s winds are traveling east at a speed of 9 MPH. The temperature feels like 87 with a humidity level of 76. Cloud coverage is 24 percent with 14 percent visibility. Today’s UV index is 3 make sure to prepare properly. Make sure to plan your travel itinerary to match your travel weather forecast to make the most of your vacation with Reservations.com.