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

78°F

26°C

Humidity 97%
Wind Speed Calm
Barometer 29.98 in (1015.2 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 4 Sep 3:56 am EDT
Extended Forecast for

3 Miles SSE Hanahan SC

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 78. Calm wind.

    Low: 78 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 91. Heat index values as high as 105. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 91 °F

    Sunny

  • 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 94. Heat index values as high as 110. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southwest wind 3 to 7 mph.

    Low: 77 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 92 °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%.

    Low: 74 °F

    T-storms
    Likely

  • Labor Day

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

    High: 84 °F

    Chance
    T-storms

  • Monday Night

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

    Low: 73 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 78. Calm wind.
Friday
Sunny, with a high near 91. Heat index values as high as 105. Calm wind becoming south 5 to 9 mph in the afternoon.
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 94. Heat index values as high as 110. 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 77. Southwest wind 3 to 7 mph.
Sunday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 70%.
Labor Day
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 73.
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:
3 Miles SSE Hanahan SC
 32.88°N 79.99°W (Elev. 3 ft)
Last Update:
2:30 am EDT Sep 4, 2026
Forecast Valid:
4am EDT Sep 4, 2026-6pm EDT Sep 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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