If you planning to travel to Harbour Town Lighthouse, Hilton Head, 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 10:52 AM. The temperature feels like 82.4 with a humidity level of 85 so dress accordingly. Cloud coverage is 34 percent with visibility at 10.4 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 16 MPH. At the end of the day don’t miss the sunset at 12:00 AM.