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 SW 6 mph
Barometer 30.29 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 2 Feb 6:15 pm EST
Extended Forecast for

Sullivans Island SC

  • Tonight

    Tonight: Mostly clear, with a low around 35. West wind around 7 mph.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 52. Southwest wind 7 to 11 mph.

    High: 52 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 47. Southwest wind around 11 mph.

    Low: 47 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Showers, mainly after 1pm. High near 53. Southwest wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Showers, mainly before 1am. Low around 37. Southwest wind 6 to 9 mph becoming northwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 46.

    High: 46 °F

    Slight 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

Detailed Forecast

Tonight
Mostly clear, with a low around 35. West wind around 7 mph.
Tuesday
Increasing clouds, with a high near 52. Southwest wind 7 to 11 mph.
Tuesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 47. Southwest wind around 11 mph.
Wednesday
Showers, mainly after 1pm. High near 53. Southwest wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Showers, mainly before 1am. Low around 37. Southwest wind 6 to 9 mph becoming northwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 46.
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 55.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 52.
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:
1:32 pm EST Feb 2, 2026
Forecast Valid:
6pm EST Feb 2, 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