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

91°F

33°C

Humidity 57%
Wind Speed E 10 G 17 mph
Barometer 30.05 in (1017.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 3 Sep 12:56 pm EDT
Extended Forecast for

Charleston Air Force Base SC

  • This Afternoon

    This Afternoon: Sunny, with a high near 91. Heat index values as high as 105. Southeast wind 8 to 10 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny, with a high near 90. Heat index values as high as 105. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: 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 95. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 95 °F

    Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.

    Low: 75 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 90. Chance of precipitation is 80%.

    High: 90 °F

    Chance
    T-storms then
    T-storms

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 73. Chance of precipitation is 80%.

    Low: 73 °F

    T-storms then
    Chance
    T-storms

  • Labor Day

    Labor Day: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 91. Heat index values as high as 105. Southeast wind 8 to 10 mph.
Tonight
Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny, with a high near 90. Heat index values as high as 105. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 95. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Sunday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 90. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 73. Chance of precipitation is 80%.
Labor Day
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 84.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 87.
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Forecast Area
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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:
8:32 am EDT Sep 3, 2026
Forecast Valid:
1pm EDT Sep 3, 2026-6pm EDT Sep 9, 2026
 
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Additional Resources

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Chance of Precipitation