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 12:20 PM. The temperature feels like 42.45 with a humidity level of 64 so dress accordingly. Cloud coverage is 3 percent with visibility at 14.6 percent. Today’s UV index is 4, don’t forget the sunscreen if you need it! Today’s winds are traveling north-northeast at a speed of 14 MPH. At the end of the day don’t miss the sunset at 10:25 PM.