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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC Issued by: National Weather Service Charleston, SC Last Update: 8:32 am EDT Sep 29, 2026

This Afternoon High: 84 °F Sunny Tonight Low: 69 °F Partly Cloudy Wednesday High: 84 °F Mostly Sunny Wednesday Night Low: 70 °F Mostly Clear Thursday High: 84 °F Sunny Thursday Night Low: 73 °F Mostly Clear Friday High: 85 °F Chance Showers Friday Night Low: 73 °F Chance Showers then Partly Cloudy Saturday High: 85 °F Chance Showers then Chance T-storms

This Afternoon: Sunny, with a high near 84. Southeast wind 3 to 7 mph. Tonight: Partly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm in the evening. Wednesday: Mostly sunny, with a high near 84. Calm wind becoming east 5 to 9 mph in the afternoon. Wednesday Night: Mostly clear, with a low around 70. East wind around 5 mph becoming calm in the evening. Thursday: Sunny, with a high near 84. Light and variable wind becoming east 5 to 9 mph in the morning. Thursday Night: Mostly clear, with a low around 73. Friday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 30%. Friday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. Saturday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 73. Sunday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Monday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 78. Chance of precipitation is 70%.

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

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