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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 May 25, 2026

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

Hazardous Weather Outlook Memorial Day: A 30 percent chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 86. South wind 10 to 13 mph, with gusts as high as 20 mph. Tonight: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 74. South wind 6 to 8 mph. Chance of precipitation is 20%. Tuesday: A 40 percent chance of showers and thunderstorms, mainly between noon and 5pm. Partly sunny, with a high near 88. South wind 8 to 13 mph, with gusts as high as 20 mph. Tuesday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 75. South wind 6 to 8 mph. Chance of precipitation is 20%. Wednesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. South wind 7 to 11 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Thursday: A slight chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 60%. Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 60%. Friday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 40%. Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 50%. Saturday: Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 80%. Saturday Night: Showers and possibly a thunderstorm. Low around 68. Chance of precipitation is 80%. Sunday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.

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

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