If you planning to travel to The Sandbox, Hilton Head Island, South Carolina, 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 11:00 AM. The temperature feels like 64.85 with a humidity level of 83 so dress accordingly. Cloud coverage is 8 percent with visibility at 11.7 percent. Today’s UV index is 9, don’t forget the sunscreen if you need it! Today’s winds are traveling east-northeast at a speed of 10 MPH. At the end of the day don’t miss the sunset at 11:50 PM.