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 11:48 AM. The temperature feels like 60.15 with a humidity level of 71 so dress accordingly. Cloud coverage is 32 percent with visibility at 13.7 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling northeast at a speed of 12 MPH. At the end of the day don’t miss the sunset at 10:18 PM.