Current Conditions Charleston, SC Weekly Forecast 7 Day Forecast Hourly Forecast Day Night UV Index Humidity Close Details Close Details 7 Day Forecast Thursday 53° / 48° Mostly Cloudy Mostly Cloudy 0% 53° 48° Friday 74° / 62° Cloudy Cloudy 21% 74° 62° Saturday 70° / 65° Showers Showers 56% 70° 65° Sunday 72° / 55° Showers Showers 58% 72° 55° Monday 68° / 42° Mostly Cloudy Mostly Cloudy 7% 68° 42° Tuesday 63° / 47° Partly Cloudy Partly Cloudy 5% 63° 47° Wednesday 59° / 38° Mostly Sunny Mostly Sunny 6% 59° 38° Humidity Close Details Close Details Hourly Forecast 51° 7 PM Mostly Cloudy 2% 51° 50° 8 PM Mostly Cloudy 2% 50° 49° 9 PM Mostly Cloudy 2% 49° 49° 10 PM Mostly Cloudy 2% 49° 48° 11 PM Partly Cloudy 2% 48° 48° 12 AM Mostly Cloudy 2% 48° 48° 1 AM Mostly Cloudy 4% 48° 49° 2 AM Mostly Cloudy 7% 49° 50° 3 AM Partly Cloudy 7% 50° 51° 4 AM Partly Cloudy 7% 51° 51° 5 AM Mostly Cloudy 7% 51° 52° 6 AM Mostly Cloudy 7% 52° 53° 7 AM Cloudy 21% 53° 56° 8 AM Cloudy 17% 56° 61° 9 AM Cloudy 18% 61° 67° 10 AM Cloudy 16% 67° 71° 11 AM Cloudy 15% 71° 73° 12 PM Cloudy 16% 73° 73° 1 PM Cloudy 12% 73° 73° 2 PM Cloudy 10% 73° 72° 3 PM Cloudy 10% 72° 71° 4 PM Cloudy 5% 71° 69° 5 PM Cloudy 6% 69° 67° 6 PM Cloudy 12% 67° Map Center