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.

Fog

57°F

14°C

Humidity 100%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 57°F (14°C)
Visibility 0.25 mi
Last update 9 Jan 4:35 am EST
Extended Forecast for

Sullivans Island SC

Dense Fog Advisory January 9, 04:48am until January 9, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory January 9, 04:48am until January 9, 10:00am

    NOW until 10:00am Fri

    Dense Fog Advisory

  • Today

    High: 68 °F

    Dense Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Patchy dense fog. Otherwise, mostly cloudy, with a low around 59. South wind 3 to 6 mph.

    Low: 59 °F

    Patchy Dense
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 69. South wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 69 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 57. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 64. Northwest wind 10 to 17 mph, with gusts as high as 24 mph.

    High: 64 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Today
Widespread dense fog, mainly before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 68. Calm wind becoming south 5 to 7 mph in the morning.
Tonight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 59. South wind 3 to 6 mph.
Saturday
Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 69. South wind 6 to 13 mph, with gusts as high as 21 mph.
Saturday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 57. South wind around 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 64. Northwest wind 10 to 17 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 36.
Monday
Mostly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Mostly sunny, with a high near 55.
Tuesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 45.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 56.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 45.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 56.
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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:
1:30 am EST Jan 9, 2026
Forecast Valid:
4am EST Jan 9, 2026-6pm EST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

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