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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC Issued by: National Weather Service Charleston, SC Last Update: 2:30 pm EDT Mar 21, 2026

This Afternoon High: 84 °F Sunny Tonight Low: 61 °F Mostly Clear Sunday High: 84 °F Sunny Sunday Night Low: 63 °F Mostly Clear Monday High: 85 °F Sunny then Slight Chance T-storms Monday Night Low: 54 °F Slight Chance T-storms then Slight Chance Showers Tuesday High: 63 °F Partly Sunny Tuesday Night Low: 52 °F Chance Showers Wednesday High: 68 °F Chance Showers

This Afternoon: Sunny, with a high near 84. West wind around 8 mph. Tonight: Mostly clear, with a low around 61. West wind around 6 mph. Sunday: Sunny, with a high near 84. West wind 6 to 11 mph. Sunday Night: Mostly clear, with a low around 63. Southwest wind 7 to 9 mph. Monday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 85. West wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. Monday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 20%. Tuesday: Partly sunny, with a high near 63. Tuesday Night: A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 52. Wednesday: A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 68. Wednesday Night: Mostly cloudy, with a low around 57. Thursday: Mostly sunny, with a high near 76. Thursday Night: Mostly clear, with a low around 61. Friday: Sunny, with a high near 82.

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

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