If you planning to travel to St. Simons Lighthouse Museum, St. Simons Island, Georgia, 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 11:31 AM. The temperature feels like 55.5 with a humidity level of 58 so dress accordingly. Cloud coverage is 2 percent with visibility at 14.9 percent. Today’s UV index is 8, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 6 MPH. At the end of the day don’t miss the sunset at 11:37 PM.