National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Charleston, Charleston Air Force Base (KCHS)

Lat: 32.9°NLon: 80.04°WElev: 46ft.

Partly Cloudy

88°F

31°C

Humidity 66%
Wind Speed Calm
Barometer 30.03 in (1016.9 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 4 Sep 10:56 am EDT
Extended Forecast for

5 Miles WNW Charleston SC

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Heat index values as high as 103. South wind 5 to 8 mph.

    High: 90 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93. Heat index values as high as 107. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. Southwest wind 3 to 8 mph.

    Low: 76 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 91. Light and variable wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

    High: 91 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.

    Low: 74 °F

    T-storms
    Likely

  • Labor Day

    Labor Day: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 73.

    Low: 73 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 30%.

    High: 85 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Heat index values as high as 103. South wind 5 to 8 mph.
Tonight
Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 93. Heat index values as high as 107. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. Southwest wind 3 to 8 mph.
Sunday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 91. Light and variable wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.
Labor Day
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Monday Night
Mostly cloudy, with a low around 73.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 73.
Thursday
Sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Charleston SC
 32.82°N 80.08°W (Elev. 10 ft)
Last Update:
8:32 am EDT Sep 4, 2026
Forecast Valid:
11am EDT Sep 4, 2026-6pm EDT Sep 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation