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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 23, 2026
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Today

Today: A slight chance of showers before 1pm, then a chance of showers and thunderstorms after 5pm.  Mostly cloudy, with a high near 85. Light southeast wind increasing to 5 to 10 mph in the morning.  Chance of precipitation is 30%.

High: 85 °F

Slight Chance
Showers then
Chance
T-storms

Tonight

Tonight: A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 9pm.  Mostly cloudy, with a low around 73. South wind 3 to 7 mph.  Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Low: 73 °F

Chance
T-storms


Sunday

Sunday: Showers and thunderstorms likely, mainly before 1pm.  Mostly cloudy, with a high near 86. Light south wind increasing to 6 to 11 mph in the morning.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

High: 86 °F

Showers
Likely


Sunday
Night

Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 74. South wind 5 to 8 mph.  Chance of precipitation is 30%.

Low: 74 °F

Chance
Showers


Memorial
Day

Memorial Day: A chance of showers, with thunderstorms also possible after 11am.  Partly sunny, with a high near 87. South wind 5 to 11 mph.  Chance of precipitation is 40%.

High: 87 °F

Chance
Showers


Monday
Night

Monday Night: Partly cloudy, with a low around 75.

Low: 75 °F

Partly Cloudy



Tuesday

Tuesday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 88.

High: 88 °F

Chance
Showers then
Chance
T-storms

Tuesday
Night

Tuesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers.  Mostly cloudy, with a low around 75. Chance of precipitation is 30%.

Low: 75 °F

Chance
T-storms


Wednesday

Wednesday: A chance of showers, with thunderstorms also possible after 8am.  Mostly cloudy, with a high near 89. Chance of precipitation is 50%.

High: 89 °F

Chance
Showers then
Chance
T-storms




Today: A slight chance of showers before 1pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 85. Light southeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 30%.

Tonight: A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 9pm. Mostly cloudy, with a low around 73. South wind 3 to 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday: Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 86. Light south wind increasing to 6 to 11 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. South wind 5 to 8 mph. Chance of precipitation is 30%.

Memorial Day: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 87. South wind 5 to 11 mph. Chance of precipitation is 40%.

Monday Night: Partly cloudy, with a low around 75.

Tuesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.

Tuesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 75. Chance of precipitation is 30%.

Wednesday: A chance of showers, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 89. Chance of precipitation is 50%.

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: Showers and thunderstorms likely. Mostly cloudy, with a high near 89. Chance of precipitation is 60%.

Thursday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

Friday: Showers and thunderstorms likely. Mostly cloudy, with a high near 87. Chance of precipitation is 70%.



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

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