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

Hazardous Weather Conditions

Current conditions at

Charleston, Charleston Air Force Base (KCHS)

Lat: 32.9°NLon: 80.04°WElev: 46ft.

A Few Clouds

84°F

29°C

Humidity 88%
Wind Speed S 3 mph
Barometer 29.91 in (1012.8 mb)
Dewpoint 80°F (27°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 18 Aug 10:56 pm EDT
Extended Forecast for

2 Miles N Charleston SC

Heat Advisory August 19, 11:00am until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 79. West wind 3 to 6 mph.

    Low: 79 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 98. Heat index values as high as 111. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 98 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 80. South wind around 5 mph becoming calm in the evening.

    Low: 80 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 96. Heat index values as high as 112. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 96 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 79. South wind 3 to 7 mph.

    Low: 79 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 60%.

    High: 93 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.

    Low: 76 °F

    T-storms
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 79. West wind 3 to 6 mph.
Wednesday
Sunny, with a high near 98. Heat index values as high as 111. Calm wind becoming south 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 80. South wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 96. Heat index values as high as 112. Calm wind becoming south 5 to 9 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 79. South wind 3 to 7 mph.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 78.
Saturday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Sunday
A slight chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 77.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Charleston SC
 32.81°N 79.98°W (Elev. 3 ft)
Last Update:
8:32 pm EDT Aug 18, 2026
Forecast Valid:
11pm EDT Aug 18, 2026-6pm EDT Aug 25, 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