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

78°F

26°C

Humidity 97%
Wind Speed SW 3 mph
Barometer 29.93 in (1013.3 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 5 Sep 2:56 am EDT
Extended Forecast for

4 Miles SSE North Charleston SC

Heat Advisory September 5, 11:00am until September 5, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 77. Calm wind.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 95. Heat index values as high as 109. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 95 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 5am, then a slight chance of showers. Mostly clear, with a low around 77. Southwest wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 94. Heat index values as high as 108. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 94 °F

    Slight Chance
    T-storms then
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 8pm, then showers and possibly a thunderstorm, mainly after 8pm. Low around 73. East wind around 6 mph becoming light and variable. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 73 °F

    T-storms then
    Showers

  • Labor Day

    Labor Day: Showers likely, with thunderstorms also possible after 11am. Partly sunny, with a high near 84. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 8am. Mostly sunny, with a high near 85.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 77. Calm wind.
Saturday
Sunny, with a high near 95. Heat index values as high as 109. Calm wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
A chance of showers and thunderstorms before 5am, then a slight chance of showers. Mostly clear, with a low around 77. Southwest wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 30%.
Sunday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 94. Heat index values as high as 108. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and thunderstorms before 8pm, then showers and possibly a thunderstorm, mainly after 8pm. Low around 73. East wind around 6 mph becoming light and variable. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Labor Day
Showers likely, with thunderstorms also possible after 11am. Partly sunny, with a high near 84. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 73.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 8am. Mostly sunny, with a high near 85.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 73.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 75.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE North Charleston SC
 32.86°N 80°W (Elev. 20 ft)
Last Update:
2:45 am EDT Sep 5, 2026
Forecast Valid:
3am EDT Sep 5, 2026-6pm EDT Sep 11, 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