Your evening South Carolina weather update A typical South Carolina summer pattern settles in today with temperatures climbing from morning lows in the sixties to afternoon highs in the low eighties under partly cloudy skies. This morning started cool with temperatures bottoming out around 63 degrees near 5 A.M. As we move through the day, expect steady warming with temperatures reaching the mid-seventies by lunchtime and topping out near 83 degrees around 3 P.M.