Current conditions at

Charleston Executive Airport (KJZI)

Lat: 32.7°NLon: 80°WElev: 16ft.

Fair

86°F

30°C

Humidity 84%
Wind Speed SW 7 mph
Barometer 29.94 in
Dewpoint 81°F (27°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 17 Aug 11:55 pm EDT
Extended Forecast for

3 Miles WSW Kiawah Island SC

Extreme Heat Warning August 18, 11:00am until August 18, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  • Overnight

    Overnight: Mostly clear, with a low around 82. West wind around 10 mph.

    Low: 82 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Sunny, with a high near 95. Heat index values as high as 113. West wind 8 to 11 mph becoming southwest in the afternoon.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Partly cloudy, with a low around 81. Southwest wind 5 to 10 mph.

    Low: 81 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm.  Sunny, with a high near 91. Heat index values as high as 108. Light and variable wind becoming southeast 5 to 9 mph in the afternoon.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 81. South wind 3 to 7 mph.

    Low: 81 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 82.

    Low: 82 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm.  Sunny, with a high near 90.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am.  Partly cloudy, with a low around 80.

    Low: 80 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 82. West wind around 10 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Sunny, with a high near 95. Heat index values as high as 113. West wind 8 to 11 mph becoming southwest in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 81. Southwest wind 5 to 10 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 91. Heat index values as high as 108. Light and variable wind becoming southeast 5 to 9 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 81. South wind 3 to 7 mph.
Thursday
Sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 82.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 90.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 80.
Saturday
A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 79.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 89.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Kiawah Island SC
 32.6°N 80.11°W (Elev. 7 ft)
8:32 pm EDT Aug 17, 2026
12am EDT Aug 18, 2026-6pm EDT Aug 24, 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