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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC Issued by: National Weather Service Charleston, SC Last Update: 8:32 pm EDT May 24, 2026

Tonight Low: 74 °F Chance T-storms then Chance Showers Memorial Day High: 86 °F Chance Showers Monday Night Low: 74 °F Partly Cloudy then Chance Showers Tuesday High: 87 °F Chance T-storms Tuesday Night Low: 75 °F Mostly Cloudy then Slight Chance Showers Wednesday High: 88 °F Showers Likely Wednesday Night Low: 73 °F Chance T-storms Thursday High: 91 °F Partly Sunny then Chance T-storms Thursday Night Low: 73 °F Chance T-storms

Hazardous Weather Outlook Tonight: A chance of showers and thunderstorms. Increasing clouds, with a low around 74. South wind around 8 mph. Chance of precipitation is 30%. Memorial Day: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 86. South wind 8 to 14 mph, with gusts as high as 21 mph. Monday Night: A slight chance of showers before 1am, then a chance of showers after 2am. Increasing clouds, with a low around 74. South wind 6 to 8 mph. Chance of precipitation is 30%. Tuesday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 87. South wind 8 to 13 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Tuesday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 75. South wind 6 to 8 mph. Wednesday: Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 88. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Wednesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 73. Chance of precipitation is 30%. Thursday: A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Thursday Night: A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73. Friday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 87. Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%. Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%. Sunday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.

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

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