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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC Issued by: National Weather Service Charleston, SC Last Update: 2:35 pm EDT Aug 7, 2026

Tonight Low: 77 °F Partly Cloudy then Chance Showers Saturday High: 86 °F Heavy Rain Saturday Night Low: 76 °F Mostly Cloudy then Chance T-storms Sunday High: 89 °F Chance T-storms Sunday Night Low: 77 °F Slight Chance T-storms Monday High: 91 °F T-storms Likely Monday Night Low: 78 °F T-storms Likely then Slight Chance T-storms Tuesday High: 92 °F Slight Chance T-storms Tuesday Night Low: 79 °F Partly Cloudy

Tonight: A 30 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph becoming light after midnight. Saturday: Showers and thunderstorms, mainly before 3pm. Some of the storms could produce heavy rainfall. High near 86. Calm wind becoming southeast 5 to 8 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible. Saturday Night: A 40 percent chance of showers and thunderstorms, mainly between 2am and 5am. Mostly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm in the evening. Sunday: A 50 percent chance of showers and thunderstorms, mainly after 7am. Mostly sunny, with a high near 89. Calm wind becoming south 5 to 8 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Sunday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southwest wind 3 to 7 mph. Monday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Monday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 78. Chance of precipitation is 60%. Tuesday: A 20 percent chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 92. Tuesday Night: Partly cloudy, with a low around 79. Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Wednesday Night: Partly cloudy, with a low around 80. Thursday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Thursday Night: Partly cloudy, with a low around 80. Friday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.

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

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