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.

A Few Clouds

80°F

27°C

Humidity 90%
Wind Speed SW 6 mph
Barometer 30.06 in (1017.9 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 23 Jul 6:56 am EDT
Extended Forecast for

Charleston Air Force Base SC

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 95. Heat index values as high as 106. South wind 5 to 8 mph.

    High: 95 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 79. South wind 3 to 8 mph.

    Low: 79 °F

    Partly Cloudy

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 93. Heat index values as high as 106. Calm wind becoming south 5 to 8 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: 93 °F

    Mostly Sunny
    then T-storms
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Light south wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 77 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 91. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 91 °F

    Showers
    Likely then
    T-storms

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 75. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 75 °F

    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 70%.

    High: 92 °F

    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 75. Chance of precipitation is 60%.

    Low: 75 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 95. Heat index values as high as 106. South wind 5 to 8 mph.
Tonight
Partly cloudy, with a low around 79. South wind 3 to 8 mph.
Friday
Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 93. Heat index values as high as 106. Calm wind becoming south 5 to 8 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.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Light south wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and possibly a thunderstorm. High near 91. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 75. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 75. Chance of precipitation is 60%.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Mostly clear, with a low around 79.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 97.
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ABOUT THIS FORECAST

 
Point Forecast:
Charleston Air Force Base SC
 32.91°N 80.02°W (Elev. 30 ft)
Last Update:
2:57 am EDT Jul 23, 2026
Forecast Valid:
7am EDT Jul 23, 2026-6pm EDT Jul 29, 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