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 30.07 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 14 Aug 7:15 am EDT
Extended Forecast for

Seabrook Island SC

Extreme Heat Watch August 15, 11:00am until August 15, 08:00pm
Extreme Heat Warning August 14, 07:39am until August 14, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
Extreme Heat Warning
  •  
    Extreme Heat Warning August 14, 07:39am until August 14, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Today

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 81. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 81 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 109. West wind 7 to 13 mph.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 80. West wind 6 to 10 mph.

    Low: 80 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. West wind 5 to 10 mph becoming south in the afternoon.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

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

    Low: 81 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 83.

    Low: 83 °F

    Mostly Clear

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 108. South wind 5 to 11 mph.
Tonight
Partly cloudy, with a low around 81. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 109. West wind 7 to 13 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 80. West wind 6 to 10 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. West wind 5 to 10 mph becoming south in the afternoon.
Sunday Night
Partly cloudy, with a low around 81.
Monday
Sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 83.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 95.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 82.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 82.
Thursday
Sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Seabrook Island SC
 32.58°N 80.17°W (Elev. 10 ft)
Last Update:
2:35 am EDT Aug 14, 2026
Forecast Valid:
7am EDT Aug 14, 2026-6pm EDT Aug 20, 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