Current Conditions Charleston, SC Weekly Forecast 7 Day Forecast Hourly Forecast Day Night UV Index Humidity Close Details Close Details 7 Day Forecast Tuesday 48° / 46° Partly Cloudy Partly Cloudy 0% 48° 46° Wednesday 72° / 60° Cloudy Cloudy 24% 72° 60° Thursday 82° / 63° Partly Cloudy Partly Cloudy 15% 82° 63° Friday 84° / 64° Sunny Sunny 7% 84° 64° Saturday 79° / 63° PM Thunderstorms PM Thunderstorms 42% 79° 63° Sunday 82° / 64° PM Showers PM Showers 34% 82° 64° Monday 78° / 60° Scattered Thunderstorms Scattered Thunderstorms 58% 78° 60° Humidity Close Details Close Details Hourly Forecast 48° 2 AM Mostly Cloudy 2% 48° 49° 3 AM Mostly Cloudy 2% 49° 49° 4 AM Mostly Cloudy 2% 49° 49° 5 AM Cloudy 2% 49° 49° 6 AM Cloudy 2% 49° 50° 7 AM Cloudy 2% 50° 50° 8 AM Cloudy 7% 50° 55° 9 AM Cloudy 14% 55° 60° 10 AM Mostly Cloudy 4% 60° 64° 11 AM Mostly Cloudy 8% 64° 68° 12 PM Mostly Cloudy 4% 68° 70° 1 PM Mostly Cloudy 15% 70° 70° 2 PM Cloudy 17% 70° 70° 3 PM Cloudy 24% 70° 69° 4 PM Few Showers 30% 69° 68° 5 PM Cloudy 22% 68° 67° 6 PM Cloudy 24% 67° 64° 7 PM Cloudy 16% 64° 63° 8 PM Cloudy 10% 63° 63° 9 PM Mostly Cloudy 10% 63° 62° 10 PM Mostly Cloudy 10% 62° 62° 11 PM Mostly Cloudy 7% 62° 61° 12 AM Partly Cloudy 8% 61° 61° 1 AM Partly Cloudy 8% 61° Map Center