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 65%
Wind Speed W 8 mph
Barometer 29.95 in (1014.2 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 12 Aug 10:56 am EDT
Extended Forecast for

4 Miles SSW North Charleston SC

Extreme Heat Watch August 13, 11:00am until August 13, 08:00pm
Heat Advisory until August 12, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
Heat Advisory
  •  
    Heat Advisory until August 12, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Today

    High: 96 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 78. West wind 3 to 6 mph.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms between 2pm and 3pm. Sunny, with a high near 97. Heat index values as high as 110. West wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 80. South wind 5 to 7 mph.

    Low: 80 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 99. Southwest wind 3 to 8 mph.

    High: 99 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 81.

    Low: 81 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 97.

    High: 97 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 79.

    Low: 79 °F

    Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 96. Heat index values as high as 109. West wind around 7 mph.
Tonight
Mostly clear, with a low around 78. West wind 3 to 6 mph.
Thursday
A slight chance of showers and thunderstorms between 2pm and 3pm. Sunny, with a high near 97. Heat index values as high as 110. West wind 3 to 6 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 80. South wind 5 to 7 mph.
Friday
Mostly sunny, with a high near 99. Southwest wind 3 to 8 mph.
Friday Night
Partly cloudy, with a low around 81.
Saturday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 97.
Saturday Night
A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 79.
Sunday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 79.
Monday
Mostly sunny, with a high near 97.
Monday Night
Mostly clear, with a low around 80.
Tuesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW North Charleston SC
 32.84°N 80.05°W (Elev. 7 ft)
Last Update:
9:22 am EDT Aug 12, 2026
Forecast Valid:
11am EDT Aug 12, 2026-6pm EDT Aug 18, 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