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

34°F

1°C

Humidity 51%
Wind Speed NW 3 mph
Barometer 30.21 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 24 Feb 1:35 am EST
Extended Forecast for

Sullivans Island SC

  • Overnight

    Overnight: Mostly clear, with a low around 31. Northwest wind 11 to 13 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 50. Northwest wind 6 to 10 mph becoming southwest in the afternoon.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. Southwest wind 9 to 13 mph, with gusts as high as 21 mph.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 60. Southwest wind 14 to 16 mph, with gusts as high as 24 mph.

    High: 60 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 53. Southwest wind 11 to 13 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely

  • Friday

    Friday: Showers. High near 62. Chance of precipitation is 80%.

    High: 62 °F

    Showers

  • Friday Night

    Friday Night: Showers likely. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 31. Northwest wind 11 to 13 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 50. Northwest wind 6 to 10 mph becoming southwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 42. Southwest wind 9 to 13 mph, with gusts as high as 21 mph.
Wednesday
Mostly cloudy, with a high near 60. Southwest wind 14 to 16 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly cloudy, with a low around 53. Southwest wind 11 to 13 mph, with gusts as high as 20 mph.
Thursday
A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 63.
Thursday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Friday
Showers. High near 62. Chance of precipitation is 80%.
Friday Night
Showers likely. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 61.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 50.
Sunday
Sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 51.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 60.
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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 Feb 24, 2026
Forecast Valid:
1am EST Feb 24, 2026-6pm EST Mar 2, 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