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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC Issued by: National Weather Service Charleston, SC Last Update: 8:32 pm EDT Sep 8, 2026

Tonight Low: 75 °F Partly Cloudy Wednesday High: 86 °F Mostly Sunny then Chance T-storms Wednesday Night Low: 75 °F Chance Showers Thursday High: 88 °F Chance Showers then Chance T-storms Thursday Night Low: 76 °F Chance T-storms Friday High: 90 °F Chance T-storms Friday Night Low: 76 °F Chance T-storms Saturday High: 88 °F Showers Likely Saturday Night Low: 76 °F Chance T-storms

Tonight: Partly cloudy, with a low around 75. East wind 7 to 10 mph. Wednesday: A 30 percent chance of showers and thunderstorms, mainly before 3pm. Mostly sunny, with a high near 86. East wind 9 to 14 mph, with gusts as high as 22 mph. Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 4am. Partly cloudy, with a low around 75. East wind 5 to 8 mph becoming calm after midnight. Thursday: A slight chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 88. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Thursday Night: A chance of thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Mostly clear, with a low around 76. South wind 3 to 6 mph. Chance of precipitation is 30%. Friday: A 50 percent chance of showers and thunderstorms, mainly after 8am. Mostly sunny, with a high near 90. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Friday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Saturday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 60%. Saturday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Sunday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Sunday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. Monday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Monday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. Tuesday: A 30 percent chance of showers and thunderstorms. Sunny, with a high near 88.

Charleston SCSimilar City Names  32.79°N 80.01°W (Elev. 10 ft)

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