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.

Overcast

75°F

24°C

Humidity 69%
Wind Speed NE 12 G 20 mph
Barometer 30.18 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 3 Oct 6:35 pm EDT
Extended Forecast for

Sullivans Island SC

High Surf Advisory October 3, 06:43pm until October 4, 08:00pm
Coastal Flood Advisory until October 3, 08:00pm
Click here for hazard details and duration
High Surf Advisory
...
  •  
    High Surf Advisory October 3, 06:43pm until October 4, 08:00pm
    Coastal Flood Advisory until October 3, 08:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 69 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 79. Breezy, with a northeast wind 14 to 21 mph, with gusts as high as 28 mph.

    High: 79 °F

    Partly Sunny
    then Slight
    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 72. East wind 14 to 17 mph, with gusts as high as 25 mph.

    Low: 72 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Breezy, with an east wind 14 to 20 mph.

    High: 80 °F

    Slight Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: A slight chance of showers, with thunderstorms also possible after 11pm. Mostly cloudy, with a low around 73. East wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers. Partly sunny, with a high near 80.

    High: 80 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers, with thunderstorms also possible after 2am. Partly cloudy, with a low around 72. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 69. Breezy, with a northeast wind 14 to 21 mph.
Saturday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 79. Breezy, with a northeast wind 14 to 21 mph, with gusts as high as 28 mph.
Saturday Night
Mostly cloudy, with a low around 72. East wind 14 to 17 mph, with gusts as high as 25 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Breezy, with an east wind 14 to 20 mph.
Sunday Night
A slight chance of showers, with thunderstorms also possible after 11pm. Mostly cloudy, with a low around 73. East wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 80.
Monday Night
A slight chance of showers, with thunderstorms also possible after 2am. Partly cloudy, with a low around 72. Chance of precipitation is 20%.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Wednesday Night
Mostly cloudy, with a low around 69.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 76. Breezy.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 64.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sullivans Island SC
 32.76°N 79.85°W (Elev. 0 ft)
Last Update:
2:30 pm EDT Oct 3, 2025
Forecast Valid:
6pm EDT Oct 3, 2025-6pm EDT Oct 10, 2025
 
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