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 12:00 PM. The temperature feels like 57.55 with a humidity level of 74 so dress accordingly. Cloud coverage is 1 percent with visibility at 12.4 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling west-southwest at a speed of 7 MPH. At the end of the day don’t miss the sunset at 10:20 PM.