Site menu:




CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC
Issued by: National Weather Service Charleston, SC
Last Update: 2:48 am EDT Jun 27, 2026		Print

Today

Today: A 20 percent chance of showers and thunderstorms before 8am. Sunny, with a high near 93. Heat index values as high as 103. Southwest wind 6 to 11 mph.

High: 93 °F

Slight Chance
T-storms then
Mostly Sunny

Tonight

Tonight: Partly cloudy, with a low around 79. Southwest wind 7 to 10 mph.

Low: 79 °F

Partly Cloudy



Sunday

Sunday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 97. Heat index values as high as 107. West wind 6 to 10 mph.

High: 97 °F

Sunny then
Chance
T-storms

Sunday
Night

Sunday Night: A 40 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 78. Southwest wind 5 to 8 mph.

Low: 78 °F

Chance
T-storms


Monday

Monday: Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 95. Light and variable wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

High: 95 °F

Mostly Sunny
then T-storms
Likely

Monday
Night

Monday Night: Showers and thunderstorms likely, mainly before 8pm. 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

T-storms
Likely then
Slight Chance
T-storms

Tuesday

Tuesday: A 20 percent chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 90.

High: 90 °F

Slight Chance
T-storms


Tuesday
Night

Tuesday Night: Mostly clear, with a low around 76.

Low: 76 °F

Mostly Clear



Wednesday

Wednesday: Mostly sunny, with a high near 91.

High: 91 °F

Mostly Sunny




Today: A 20 percent chance of showers and thunderstorms before 8am. Sunny, with a high near 93. Heat index values as high as 103. Southwest wind 6 to 11 mph.

Tonight: Partly cloudy, with a low around 79. Southwest wind 7 to 10 mph.

Sunday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 97. Heat index values as high as 107. West wind 6 to 10 mph.

Sunday Night: A 40 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 78. Southwest wind 5 to 8 mph.

Monday: Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 95. Light and variable wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night: Showers and thunderstorms likely, mainly before 8pm. 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.

Tuesday: A 20 percent chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 90.

Tuesday Night: Mostly clear, with a low around 76.

Wednesday: Mostly sunny, with a high near 91.

Wednesday Night: Mostly clear, with a low around 77.

Thursday: Sunny, with a high near 93.

Thursday Night: Mostly clear, with a low around 78.

Friday: Sunny, with a high near 95.


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

Visit your local NWS office at: https://www.weather.gov/chs