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

77°F

25°C

Humidity 94%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 12 Aug 12:15 am EDT
Extended Forecast for

2 Miles ESE Charleston SC

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

  • Overnight

    Overnight: Mostly clear, with a low around 79. West wind around 7 mph.

    Low: 79 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. Heat index values as high as 109. West wind around 8 mph.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 80. West wind 5 to 8 mph.

    Low: 80 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95. Heat index values as high as 114. West wind 5 to 9 mph.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 81. Southwest wind 7 to 9 mph.

    Low: 81 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 96.

    High: 96 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 81.

    Low: 81 °F

    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.

    High: 93 °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 79.

    Low: 79 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 79. West wind around 7 mph.
Wednesday
Sunny, with a high near 95. Heat index values as high as 109. West wind around 8 mph.
Wednesday Night
Mostly clear, with a low around 80. West wind 5 to 8 mph.
Thursday
Sunny, with a high near 95. Heat index values as high as 114. West wind 5 to 9 mph.
Thursday Night
Partly cloudy, with a low around 81. Southwest wind 7 to 9 mph.
Friday
Mostly sunny, with a high near 96.
Friday Night
Partly cloudy, with a low around 81.
Saturday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.
Saturday Night
A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 79.
Sunday
A 20 percent chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 80.
Monday
Sunny, with a high near 94.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 80.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Charleston SC
 32.77°N 79.96°W (Elev. 3 ft)
Last Update:
8:30 pm EDT Aug 11, 2026
Forecast Valid:
12am 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