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

76°F

24°C

Humidity 100%
Wind Speed Calm
Barometer 30.14 in (1020.6 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index75°F (24°C)
Last update 6 Aug 3:56 am EDT
Extended Forecast for

4 Miles SE Charleston Air Force Base SC

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. Calm wind.

    Low: 77 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before noon. Partly sunny, with a high near 90. Heat index values as high as 103. Calm wind becoming southeast 5 to 8 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 90 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms, mainly between 3am and 5am. Mostly cloudy, then gradually becoming mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 2pm. Mostly sunny, with a high near 90. Heat index values as high as 103. Calm wind becoming southeast 5 to 9 mph in the afternoon.

    High: 90 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 77. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 77 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: 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. Partly sunny, with a high near 89. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.

    High: 92 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 77.

    Low: 77 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. Calm wind.
Thursday
Showers and thunderstorms likely, mainly before noon. Partly sunny, with a high near 90. Heat index values as high as 103. Calm wind becoming southeast 5 to 8 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
A 20 percent chance of showers and thunderstorms, mainly between 3am and 5am. Mostly cloudy, then gradually becoming mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.
Friday
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 2pm. Mostly sunny, with a high near 90. Heat index values as high as 103. Calm wind becoming southeast 5 to 9 mph in the afternoon.
Friday Night
A chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 77. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.
Saturday
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. Partly sunny, with a high near 89. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 77.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Sunday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 77.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 93.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Wednesday
Sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Charleston Air Force Base SC
 32.86°N 80°W (Elev. 20 ft)
Last Update:
2:35 am EDT Aug 6, 2026
Forecast Valid:
4am EDT Aug 6, 2026-6pm EDT Aug 12, 2026
 
Forecast Discussion
 
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Additional Resources

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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