If you planning to travel to Cathedral of Saint John the Baptist, 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 11:57 AM. The temperature feels like 31.9 with a humidity level of 81 so dress accordingly. Cloud coverage is 61 percent with visibility at 9 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling northwest at a speed of 11 MPH. At the end of the day don’t miss the sunset at 11:10 PM.