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

86°F

30°C

Humidity 70%
Wind Speed W 8 mph
Barometer 29.97 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 12 Aug 10:15 am EDT
Extended Forecast for

4 Miles E Charleston SC

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

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 94. Heat index values as high as 109. West wind around 8 mph.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 80. West wind 5 to 9 mph.

    Low: 80 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94. Heat index values as high as 111. West wind 5 to 10 mph becoming south in the afternoon.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 82. Southwest wind 7 to 9 mph.

    Low: 82 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 95. Southwest wind 6 to 11 mph.

    High: 95 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 82.

    Low: 82 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.

    High: 94 °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 80.

    Low: 80 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 94. Heat index values as high as 109. West wind around 8 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 80. West wind 5 to 9 mph.
Thursday
Sunny, with a high near 94. Heat index values as high as 111. West wind 5 to 10 mph becoming south in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 82. Southwest wind 7 to 9 mph.
Friday
Mostly sunny, with a high near 95. Southwest wind 6 to 11 mph.
Friday Night
Partly cloudy, with a low around 82.
Saturday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.
Saturday Night
A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 80.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 81.
Monday
Mostly sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 81.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Charleston SC
 32.76°N 79.93°W (Elev. 0 ft)
Last Update:
9:22 am EDT Aug 12, 2026
Forecast Valid:
10am 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