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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC
Issued by: National Weather Service Charleston, SC
Last Update: 2:18 pm EDT Aug 2, 2026		Print

This
Afternoon

This Afternoon: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88. Heat index values as high as 103. South wind around 16 mph, with gusts as high as 25 mph.

High: 88 °F

Chance
T-storms


Tonight

Tonight: Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 9pm, then a chance of showers and thunderstorms after 9pm. Low around 76. Southwest wind 7 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Low: 76 °F

T-storms then
Chance
T-storms

Monday

Monday: Showers and thunderstorms likely, mainly before 5pm. Partly sunny, with a high near 86. Southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

High: 86 °F

Showers
Likely then
T-storms
Likely

Monday
Night

Monday Night: A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 75. South wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Low: 75 °F

Showers
Likely


Tuesday

Tuesday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 88. Light southwest wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

High: 88 °F

Showers
Likely


Tuesday
Night

Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Partly cloudy, with a low around 77. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Low: 77 °F

Chance
T-storms then
Showers
Likely

Wednesday

Wednesday: Showers likely and possibly a thunderstorm before 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.

High: 88 °F

Showers
Likely


Wednesday
Night

Wednesday Night: A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 78. Chance of precipitation is 30%.

Low: 78 °F

Mostly Cloudy
then Chance
T-storms

Thursday

Thursday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 60%.

High: 90 °F

Showers
Likely





This Afternoon: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88. Heat index values as high as 103. South wind around 16 mph, with gusts as high as 25 mph.

Tonight: Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 9pm, then a chance of showers and thunderstorms after 9pm. Low around 76. Southwest wind 7 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday: Showers and thunderstorms likely, mainly before 5pm. Partly sunny, with a high near 86. Southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Monday Night: A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 75. South wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 88. Light southwest wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Partly cloudy, with a low around 77. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday: Showers likely and possibly a thunderstorm before 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.

Wednesday Night: A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 78. Chance of precipitation is 30%.

Thursday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 60%.

Thursday Night: A chance of showers before 8pm, then a slight chance of showers and thunderstorms after 2am. Mostly clear, with a low around 78. Chance of precipitation is 30%.

Friday: A 50 percent chance of showers and thunderstorms. Sunny, with a high near 90.

Friday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.

Saturday: Showers and thunderstorms likely. Mostly sunny, with a high near 88. Chance of precipitation is 60%.


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

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