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

93°F

34°C

Humidity 63%
Wind Speed S 15 mph
Barometer 29.81 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index110°F (43°C)
Last update 28 Jul 1:15 pm EDT
Extended Forecast for

4 Miles WNW Kiawah Island SC

Heat Advisory until July 28, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 28, 07:00pm

    NOW until 7:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 93 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 81. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.

    Low: 81 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 96. Heat index values as high as 112. West wind 9 to 11 mph.

    High: 96 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 77. Southwest wind around 6 mph becoming light and variable in the evening.

    Low: 77 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 93. North wind 6 to 8 mph becoming southwest in the afternoon.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 78.

    Low: 78 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 79.

    Low: 79 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 93. Heat index values as high as 109. South wind 11 to 15 mph.
Tonight
Increasing clouds, with a low around 81. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 96. Heat index values as high as 112. West wind 9 to 11 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 77. Southwest wind around 6 mph becoming light and variable in the evening.
Thursday
Sunny, with a high near 93. North wind 6 to 8 mph becoming southwest in the afternoon.
Thursday Night
Clear, with a low around 78.
Friday
Sunny, with a high near 92.
Friday Night
Partly cloudy, with a low around 79.
Saturday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 90. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 78. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Kiawah Island SC
 32.64°N 80.11°W (Elev. 10 ft)
Last Update:
8:32 am EDT Jul 28, 2026
Forecast Valid:
1pm EDT Jul 28, 2026-6pm EDT Aug 3, 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