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

Hazardous Weather Conditions

Current conditions at

Charleston Executive Airport (KJZI)

Lat: 32.7°NLon: 80°WElev: 16ft.

Fair

91°F

33°C

Humidity 71%
Wind Speed SW 12 mph
Barometer 30.05 in
Dewpoint 81°F (27°C)
Visibility 10.00 mi
Heat Index110°F (43°C)
Last update 14 Aug 5:15 pm EDT
Extended Forecast for

3 Miles W Charleston SC

Extreme Heat Warning August 15, 11:00am until August 15, 08:00pm
Extreme Heat Warning August 14, 05:28pm until August 14, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
Extreme Heat Warning
  •  
    Extreme Heat Warning August 14, 05:28pm until August 14, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • This Afternoon

    High: 96 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 79. Southwest wind 5 to 8 mph.

    Low: 79 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 96. Heat index values as high as 112. South wind 3 to 8 mph.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 79. Southwest wind 3 to 7 mph.

    Low: 79 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 80.

    Low: 80 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 98.

    High: 98 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 81.

    Low: 81 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96. Heat index values as high as 108. South wind around 9 mph.
Tonight
Mostly clear, with a low around 79. Southwest wind 5 to 8 mph.
Saturday
Sunny, with a high near 96. Heat index values as high as 112. South wind 3 to 8 mph.
Saturday Night
Partly cloudy, with a low around 79. Southwest wind 3 to 7 mph.
Sunday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Calm wind becoming south 5 to 7 mph in the afternoon.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 80.
Monday
Sunny, with a high near 98.
Monday Night
Mostly clear, with a low around 81.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 99.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 80.
Wednesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 95.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 80.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79.
Friday
A 40 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:
3 Miles W Charleston SC
 32.77°N 80.04°W (Elev. 3 ft)
Last Update:
2:35 pm EDT Aug 14, 2026
Forecast Valid:
5pm EDT Aug 14, 2026-6pm EDT Aug 21, 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