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City of Charleston, SCCharleston, SC 7-Day Weather Forecast
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Charleston Weather Forecast
Charleston, SC Weather Forecast Date: 537 PM EDT Thu Aug 27 2026
Weather forecast for Charleston, SC
Tonight Lo: 75°F Lo: 24°C |
Tonight... Mostly cloudy. A slight chance of showers and thunderstorms this evening, then a chance of showers and thunderstorms after midnight. Lows in the mid 70s. South winds 5 to 10 mph. Chance of rain 50%. |
Fri Hi: 89°FHi: 32°C Lo: 71°F Lo: 22°C |
Friday... Partly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 50%. |
| Sat Hi: 85°FHi: 29°C Lo: 75°F Lo: 24°C |
Saturday... Showers likely. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Southwest winds around 5 mph, becoming southeast in the afternoon. Chance of rain 70%. |
| Sun Hi: 89°FHi: 32°C Lo: 75°F Lo: 24°C |
Sunday... Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50%. |
| Mon Hi: 90°FHi: 32°C Lo: 75°F Lo: 24°C |
Monday... Mostly sunny with a slight chance of showers and thunderstorms. Highs around 90. Chance of rain 20%. Heat index values up to 105. |
Tue Hi: 91°FHi: 33°C Lo: 75°F Lo: 24°C |
Tuesday... Sunny. Highs in the lower 90s. Heat index values up to 110. |
| Wed Hi: 91°FHi: 33°C Lo: 75°F Lo: 24°C |
Wednesday... Sunny. Highs in the lower 90s. Heat index values up to 110. |
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