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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC Issued by: National Weather Service Charleston, SC Last Update: 2:30 am EDT May 26, 2026

Overnight Low: 75 °F Slight Chance T-storms Tuesday High: 89 °F Slight Chance T-storms then Chance Showers Tuesday Night Low: 76 °F Slight Chance T-storms then Slight Chance Showers Wednesday High: 90 °F Chance Showers Wednesday Night Low: 75 °F Chance T-storms then Chance Showers Thursday High: 93 °F Chance Showers then Chance T-storms Thursday Night Low: 73 °F Showers Likely Friday High: 85 °F Showers Likely Friday Night Low: 71 °F Showers

Overnight: A slight chance of showers, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 75. South wind around 7 mph. Chance of precipitation is 20%. Tuesday: A 40 percent chance of showers and thunderstorms, mainly between noon and 2pm. Mostly sunny, with a high near 89. South wind 9 to 14 mph, with gusts as high as 21 mph. Tuesday Night: A slight chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Increasing clouds, with a low around 76. South wind 7 to 9 mph. Chance of precipitation is 20%. Wednesday: A 30 percent chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 90. South wind 9 to 13 mph, with gusts as high as 20 mph. Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 75. Southwest wind 7 to 10 mph. Thursday: A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 93. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Thursday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm 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 slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%. Friday Night: Showers and possibly a thunderstorm. Low around 71. Chance of precipitation is 80%. Saturday: Showers and possibly a thunderstorm. High near 80. Chance of precipitation is 80%. Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%. Sunday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%. Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Monday: A 50 percent chance of showers. Partly sunny, with a high near 79.

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

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