If you planning to travel to Calhoun Mansion, 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 11:01 AM. The temperature feels like 80.85 with a humidity level of 80 so dress accordingly. Cloud coverage is 82 percent with visibility at 10.7 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling east-northeast at a speed of 15 MPH. At the end of the day don’t miss the sunset at 11:28 PM.