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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC
Issued by: National Weather Service Charleston, SC
Last Update: 2:32 pm EDT Oct 1, 2026		Print

This
Afternoon

This Afternoon: Sunny, with a high near 86. Southeast wind around 7 mph.

High: 86 °F

Sunny



Tonight

Tonight: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 72. Light and variable wind.

Low: 72 °F

Patchy Fog



Friday

Friday: Widespread fog, mainly before 8am. Otherwise, mostly sunny, with a high near 88. Calm wind becoming southeast around 6 mph in the afternoon.

High: 88 °F

Fog then
Mostly Sunny


Friday
Night

Friday Night: A slight chance of showers and thunderstorms between 2am and 3am. Increasing clouds, with a low around 73. Light south wind. Chance of precipitation is 20%.

Low: 73 °F

Mostly Clear
then Slight
Chance
T-storms

Saturday

Saturday: A chance of showers and thunderstorms between 7am and 8am, then showers likely and possibly a thunderstorm after 8am. Mostly cloudy, with a high near 85. Calm wind becoming south 5 to 8 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: 85 °F

Showers
Likely


Saturday
Night

Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Low: 73 °F

Chance
T-storms then
Showers
Likely

Sunday

Sunday: Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 80%.

High: 83 °F

Showers



Sunday
Night

Sunday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 71. Chance of precipitation is 80%.

Low: 71 °F

Showers



Monday

Monday: Showers likely, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.

High: 77 °F

Showers
Likely



This Afternoon: Sunny, with a high near 86. Southeast wind around 7 mph.

Tonight: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 72. Light and variable wind.

Friday: Widespread fog, mainly before 8am. Otherwise, mostly sunny, with a high near 88. Calm wind becoming southeast around 6 mph in the afternoon.

Friday Night: A slight chance of showers and thunderstorms between 2am and 3am. Increasing clouds, with a low around 73. Light south wind. Chance of precipitation is 20%.

Saturday: A chance of showers and thunderstorms between 7am and 8am, then showers likely and possibly a thunderstorm after 8am. Mostly cloudy, with a high near 85. Calm wind becoming south 5 to 8 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.

Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday: Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 80%.

Sunday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 71. Chance of precipitation is 80%.

Monday: Showers likely, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.

Monday Night: A 40 percent chance of showers. Cloudy, with a low around 63.

Tuesday: A 30 percent chance of showers. Mostly cloudy, with a high near 73.

Tuesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 58.

Wednesday: A 30 percent chance of showers. Partly sunny, with a high near 73.


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

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