If you planning to travel to H.L. Hunley Submarine, Charleston, 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 12:18 PM. The temperature feels like 43.95 with a humidity level of 61 so dress accordingly. Cloud coverage is 3 percent with visibility at 14.9 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling east at a speed of 8 MPH. At the end of the day don’t miss the sunset at 10:18 PM.