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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC Issued by: National Weather Service Charleston, SC Last Update: 8:31 pm EDT Jun 19, 2026

Overnight Low: 75 °F Partly Cloudy Saturday High: 90 °F Mostly Sunny Saturday Night Low: 74 °F Partly Cloudy Sunday High: 90 °F Mostly Sunny then Slight Chance T-storms Sunday Night Low: 77 °F Partly Cloudy Monday High: 93 °F Mostly Sunny then Slight Chance T-storms Monday Night Low: 79 °F Partly Cloudy Tuesday High: 95 °F Sunny then Chance T-storms Tuesday Night Low: 77 °F Chance T-storms

Overnight: Partly cloudy, with a low around 75. Light west wind. Saturday: Mostly sunny, with a high near 90. North wind 6 to 8 mph becoming east in the afternoon. Saturday Night: Partly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening. Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Light southeast wind becoming south 5 to 10 mph in the afternoon. Sunday Night: Partly cloudy, with a low around 77. South wind 5 to 8 mph. Monday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Monday Night: Partly cloudy, with a low around 79. Tuesday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 77. Wednesday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Wednesday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Thursday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 91. Thursday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Friday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.

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

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