Current conditions at

Charleston, Charleston Air Force Base (KCHS)

Lat: 32.9°NLon: 80.04°WElev: 46ft.

Partly Cloudy

94°F

34°C

Humidity 56%
Wind Speed E 10 mph
Barometer 29.89 in (1012.1 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index107°F (42°C)
Last update 19 Aug 4:56 pm EDT
Extended Forecast for

4 Miles WNW Charleston SC

Heat Advisory August 20, 11:00am until August 20, 08:00pm
Heat Advisory August 19, 05:40pm until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  •  
    Heat Advisory August 19, 05:40pm until August 19, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 98 °F

    Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 80. Light southeast wind.

    Low: 80 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms between 1pm and 2pm.  Sunny, with a high near 95. Heat index values as high as 109. Calm wind becoming southeast 5 to 8 mph in the afternoon.  Chance of precipitation is 20%.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • 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 30 percent chance of showers and thunderstorms after 2pm.  Sunny, with a high near 95. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely after 2pm.  Mostly sunny, with a high near 92. Chance of precipitation is 70%.

    High: 92 °F

    Mostly Sunny
    then T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 8pm.  Mostly cloudy, with a low around 75. Chance of precipitation is 60%.

    Low: 75 °F

    T-storms
    Likely

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 98. Heat index values as high as 109. Southeast wind around 6 mph.
Tonight
Mostly clear, with a low around 80. Light southeast wind.
Thursday
A slight chance of showers and thunderstorms between 1pm and 2pm. Sunny, with a high near 95. Heat index values as high as 109. Calm wind becoming southeast 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 79. South wind 3 to 7 mph.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 95. Calm wind becoming south 5 to 9 mph in the afternoon.
Friday Night
A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 77.
Saturday
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 92.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Tuesday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 92.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Charleston SC
 32.8°N 80.06°W (Elev. 10 ft)
2:40 pm EDT Aug 19, 2026
5pm EDT Aug 19, 2026-6pm EDT Aug 26, 2026
 
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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