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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
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Memorial
Day

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.

High: 86 °F

Chance
T-storms


Tonight

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%.

Low: 74 °F

Slight Chance
T-storms


Tuesday

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.

High: 88 °F

Chance
T-storms


Tuesday
Night

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%.

Low: 75 °F

Mostly Cloudy
then Slight
Chance
Showers

Wednesday

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.

High: 88 °F

Chance
Showers then
Showers
Likely

Wednesday
Night

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.

Low: 74 °F

Showers
Likely then
Slight Chance
T-storms

Thursday

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%.

High: 91 °F

Slight Chance
T-storms then
Showers
Likely

Thursday
Night

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%.

Low: 73 °F

Showers
Likely then
Chance
T-storms

Friday

Friday: A chance of showers, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 86. Chance of precipitation is 40%.

High: 86 °F

Chance
Showers then
Chance
T-storms




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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