CHARLESTON, S.C. (WCSC) – Very cool temperatures are back with us tonight behind a tranquil start to the weekend! Afternoon highs on Saturday remained in the mid and upper 60s areawide under lots of sunshine and lighter winds. With clear skies and calm winds expected to hold tonight, plan for another chilly night; overnight lows are forecast to dip into the 40s away from the coast, with a few 30s also possible in our sheltered locations.