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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC Issued by: National Weather Service Charleston, SC Last Update: 7:32 am EDT Jun 28, 2026

Today High: 97 °F Mostly Sunny Tonight Low: 79 °F Chance T-storms Monday High: 96 °F Mostly Sunny then Chance T-storms Monday Night Low: 78 °F Mostly Clear Tuesday High: 92 °F Sunny Tuesday Night Low: 75 °F Clear Wednesday High: 93 °F Sunny Wednesday Night Low: 76 °F Mostly Clear Thursday High: 94 °F Sunny

Heat Advisory Today: Mostly sunny, with a high near 97. Heat index values as high as 108. Southwest wind 6 to 11 mph. Tonight: A 40 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 79. Southwest wind 6 to 11 mph becoming light after midnight. Monday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Heat index values as high as 105. Light and variable wind becoming southeast 5 to 7 mph in the morning. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Monday Night: Mostly clear, with a low around 78. Southeast wind around 6 mph becoming calm in the evening. Tuesday: Sunny, with a high near 92. Northeast wind 6 to 11 mph. Tuesday Night: Clear, with a low around 75. Wednesday: Sunny, with a high near 93. Wednesday Night: Mostly clear, with a low around 76. Thursday: Sunny, with a high near 94. Thursday Night: Mostly clear, with a low around 77. Friday: Sunny, with a high near 95. Friday Night: Mostly clear, with a low around 79. Independence Day: Sunny, with a high near 96.

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

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