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

39°F

4°C

Humidity 56%
Wind Speed W 8 mph
Barometer 30.34 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 3 Feb 7:55 am EST
Extended Forecast for

Sullivans Island SC

  • Today

    Today: Mostly sunny, with a high near 52. West wind 8 to 13 mph.

    High: 52 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. Southwest wind around 9 mph.

    Low: 48 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 54. Southwest wind 8 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers, mainly before 1am. Low around 38. Southwest wind 5 to 8 mph becoming northwest after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 45. North wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 45 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 52. West wind 8 to 13 mph.
Tonight
Mostly cloudy, with a low around 48. Southwest wind around 9 mph.
Wednesday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 54. Southwest wind 8 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Showers, mainly before 1am. Low around 38. Southwest wind 5 to 8 mph becoming northwest after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 45. North wind 10 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Sunny, with a high near 53.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 56.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 53.
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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:
7:33 am EST Feb 3, 2026
Forecast Valid:
8am EST Feb 3, 2026-6pm EST Feb 9, 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