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

61°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 30.25 in
Dewpoint 61°F (16°C)
Visibility 0.15 mi
Last update 7 Mar 6:15 am EST
Extended Forecast for

Sullivans Island SC

Dense Fog Advisory March 7, 06:26am until March 7, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory March 7, 06:26am until March 7, 09:00am

    NOW until 9:00am Sat

    Dense Fog Advisory

  • Today

    High: 67 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 60. South wind 5 to 8 mph.

    Low: 60 °F

    Patchy Fog

  • Sunday

    Sunday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 69. Southwest wind 8 to 13 mph. Chance of precipitation is 30%.

    High: 69 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 60. Southwest wind 6 to 9 mph. Chance of precipitation is 40%.

    Low: 60 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 71. Southwest wind 6 to 10 mph.

    High: 71 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 73.

    High: 73 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Today
Areas of dense fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 67. Calm wind becoming south 5 to 8 mph in the morning.
Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 60. South wind 5 to 8 mph.
Sunday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 69. Southwest wind 8 to 13 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 60. Southwest wind 6 to 9 mph. Chance of precipitation is 40%.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 71. Southwest wind 6 to 10 mph.
Monday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 60.
Tuesday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Mostly cloudy, with a high near 71.
Wednesday Night
A 30 percent chance of showers, mainly after 1am. Cloudy, with a low around 62.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 69.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 48.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 59.
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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:
5:50 am EST Mar 7, 2026
Forecast Valid:
6am EST Mar 7, 2026-6pm EDT Mar 13, 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