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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC
Issued by: National Weather Service Charleston, SC
Last Update: 2:10 pm EDT Aug 3, 2026		Print

This
Afternoon

This Afternoon: Showers and thunderstorms likely before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. High near 86. Southwest wind around 11 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

High: 86 °F

T-storms



Tonight

Tonight: Showers and thunderstorms likely, mainly before midnight, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 75. South wind 3 to 7 mph. Chance of precipitation is 70%. 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 7am, then a chance of showers and thunderstorms, mainly between 7am and noon. Partly sunny, with a high near 87. Heat index values as high as 101. Light and variable 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: 87 °F

Showers
Likely then
Slight Chance
T-storms

Tuesday
Night

Tuesday Night: A chance of showers and thunderstorms between 1am and 5am, then showers likely and possibly a thunderstorm after 5am. Partly cloudy, with a low around 77. South wind 3 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Low: 77 °F

Partly Cloudy
then Showers
Likely

Wednesday

Wednesday: A 40 percent chance of showers and thunderstorms before 2pm. Partly sunny, with a high near 88. Light south wind increasing to 6 to 11 mph in the morning.

High: 88 °F

Chance
T-storms


Wednesday
Night

Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 77.

Low: 77 °F

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 89. Chance of precipitation is 70%.

High: 89 °F

Showers
Likely


Thursday
Night

Thursday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 78.

Low: 78 °F

Chance
Showers then
Mostly Clear

Friday

Friday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.

High: 90 °F

Chance
T-storms



This Afternoon: Showers and thunderstorms likely before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. High near 86. Southwest wind around 11 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight: Showers and thunderstorms likely, mainly before midnight, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 75. South wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday: Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms, mainly between 7am and noon. Partly sunny, with a high near 87. Heat index values as high as 101. Light and variable 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 between 1am and 5am, then showers likely and possibly a thunderstorm after 5am. Partly cloudy, with a low around 77. South wind 3 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday: A 40 percent chance of showers and thunderstorms before 2pm. Partly sunny, with a high near 88. Light south wind increasing to 6 to 11 mph in the morning.

Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 77.

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 89. Chance of precipitation is 70%.

Thursday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 78.

Friday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.

Friday Night: A 30 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 77.

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

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

Sunday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.


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

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