National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Charleston Executive Airport (KJZI)

Lat: 32.7°NLon: 80°WElev: 16ft.

Fog/Mist

55°F

13°C

Humidity 100%
Wind Speed Calm
Barometer 30.34 in
Dewpoint 55°F (13°C)
Visibility 5.00 mi
Last update 3 Mar 10:55 pm EST
Extended Forecast for

Sullivans Island SC

  • Tonight

    Tonight: Areas of dense fog after 1am. Otherwise, mostly cloudy, with a low around 55. Light northeast wind.

    Low: 55 °F

    Areas Dense
    Fog

  • Wednesday

    Wednesday: Areas of dense fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 66. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 66 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 56. Southeast wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 68. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 68 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 59. Southeast wind 3 to 5 mph.

    Low: 59 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Areas of dense fog after 1am. Otherwise, mostly cloudy, with a low around 55. Light northeast wind.
Wednesday
Areas of dense fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 66. Calm wind becoming southeast around 6 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 56. Southeast wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 68. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 59. Southeast wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 69.
Friday Night
Mostly cloudy, with a low around 59.
Saturday
Partly sunny, with a high near 69.
Saturday Night
Mostly cloudy, with a low around 60.
Sunday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 70.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 60.
Monday
A 30 percent chance of showers. Mostly cloudy, with a high near 70.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 59.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 70.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sullivans Island SC
 32.76°N 79.85°W (Elev. 0 ft)
Last Update:
7:33 pm EST Mar 3, 2026
Forecast Valid:
11pm EST Mar 3, 2026-6pm EDT Mar 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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