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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 Aug 9, 2026

Tonight Low: 78 °F Partly Cloudy Monday High: 92 °F Chance T-storms Monday Night Low: 79 °F Partly Cloudy then Slight Chance T-storms Tuesday High: 94 °F Sunny then Slight Chance T-storms Tuesday Night Low: 78 °F Mostly Clear Wednesday High: 95 °F Sunny then Slight Chance T-storms Wednesday Night Low: 79 °F Mostly Clear Thursday High: 96 °F Sunny Thursday Night Low: 80 °F Partly Cloudy

Tonight: Partly cloudy, with a low around 78. Southwest wind 3 to 5 mph. Monday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Sunny during the morning, then mostly cloudy during the afternoon, with a high near 92. Heat index values as high as 109. West wind 5 to 9 mph. Monday Night: A 20 percent chance of showers and thunderstorms, mainly between midnight and 1am. Partly cloudy, with a low around 79. Southwest wind 6 to 9 mph. Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Heat index values as high as 110. West wind 6 to 9 mph. Tuesday Night: Mostly clear, with a low around 78. Southwest wind 6 to 9 mph. Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 95. Wednesday Night: Mostly clear, with a low around 79. Thursday: Sunny, with a high near 96. Thursday Night: Partly cloudy, with a low around 80. Friday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Friday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 80. Saturday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Saturday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79. Sunday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.

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

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