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.

Fair

41°F

5°C

Humidity 93%
Wind Speed Calm
Barometer 30.24 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 9 Feb 9:15 pm EST
Extended Forecast for

Sullivans Island SC

  • Tonight

    Tonight: Mostly clear, with a low around 46. Light and variable wind.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62. Southwest wind 6 to 10 mph.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 52. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers, mainly after 1pm. Cloudy, with a high near 63. West wind 10 to 13 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers before 1am. Partly cloudy, with a low around 43. West wind 6 to 9 mph becoming north after midnight.

    Low: 43 °F

    Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 46. Light and variable wind.
Tuesday
Sunny, with a high near 62. Southwest wind 6 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 52. Southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
A 50 percent chance of showers, mainly after 1pm. Cloudy, with a high near 63. West wind 10 to 13 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 43. West wind 6 to 9 mph becoming north after midnight.
Thursday
Sunny, with a high near 56.
Thursday Night
Mostly cloudy, with a low around 46.
Friday
A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 57.
Friday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 47.
Saturday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 57.
Saturday Night
A 50 percent chance of showers. Cloudy, with a low around 51.
Sunday
Showers. High near 62. Chance of precipitation is 80%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Washington's Birthday
A 20 percent chance of showers. Mostly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sullivans Island SC
 32.76°N 79.85°W (Elev. 0 ft)
Last Update:
7:32 pm EST Feb 9, 2026
Forecast Valid:
9pm EST Feb 9, 2026-6pm EST Feb 16, 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