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.

Mostly Cloudy

87°F

31°C

Humidity 72%
Wind Speed W 5 mph
Barometer 29.94 in (1013.8 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 5 Sep 10:56 am EDT
Extended Forecast for

4 Miles NW Charleston SC

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

    NOW until 8:00pm Sat

    Heat Advisory

  • Today

    High: 94 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms, mainly between 2am and 5am. Mostly clear, with a low around 77. Southwest wind 5 to 8 mph becoming light and variable after midnight.

    Low: 77 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 93. 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: 93 °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 northeast after midnight. Chance of precipitation is 90%. 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. Northeast wind 9 to 15 mph, with gusts as high as 23 mph. 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 84.

    High: 84 °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

Today
Sunny, with a high near 94. Heat index values as high as 107. Light and variable wind becoming south 5 to 7 mph in the afternoon.
Tonight
A 20 percent chance of showers and thunderstorms, mainly between 2am and 5am. Mostly clear, with a low around 77. Southwest wind 5 to 8 mph becoming light and variable after midnight.
Sunday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 93. 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 northeast after midnight. Chance of precipitation is 90%. 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. Northeast wind 9 to 15 mph, with gusts as high as 23 mph. 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 84.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73.
Wednesday
A 40 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
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Charleston SC
 32.82°N 80.06°W (Elev. 10 ft)
Last Update:
8:32 am EDT Sep 5, 2026
Forecast Valid:
11am 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