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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC Issued by: National Weather Service Charleston, SC Last Update: 6:20 am EDT May 24, 2026

Today High: 86 °F Chance T-storms then Showers Likely Tonight Low: 74 °F Chance Showers Memorial Day High: 87 °F Chance T-storms Monday Night Low: 75 °F Mostly Cloudy then Slight Chance Showers Tuesday High: 88 °F Chance Showers Tuesday Night Low: 75 °F Partly Cloudy then Slight Chance Showers Wednesday High: 88 °F Chance Showers then Chance T-storms Wednesday Night Low: 73 °F Chance T-storms Thursday High: 90 °F Slight Chance T-storms then Chance T-storms

Hazardous Weather Outlook Today: A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. Tonight: A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 74. South wind 6 to 9 mph. Chance of precipitation is 30%. Memorial Day: A 30 percent chance of showers and thunderstorms, mainly before noon. Mostly sunny, with a high near 87. South wind 7 to 13 mph, with gusts as high as 20 mph. Monday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 75. South wind 6 to 8 mph. Tuesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm. Partly sunny, with a high near 88. South wind 7 to 13 mph. Chance of precipitation is 40%. Tuesday Night: A 20 percent chance of showers after 2am. Partly cloudy, with a low around 75. Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 88. 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 slight chance of showers, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 90. Chance of precipitation is 50%. Thursday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 72. Chance of precipitation is 30%. Friday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 87. Chance of precipitation is 70%. Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Chance of precipitation is 60%. Saturday: 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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