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.

Fair

37°F

3°C

Humidity 26%
Wind Speed Calm
Barometer 30.42 in
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Last update 27 Jan 11:55 am EST
Extended Forecast for

Sullivans Island SC

  • This Afternoon

    This Afternoon: Sunny, with a high near 44. West wind 7 to 10 mph.

    High: 44 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 32. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 49. Northwest wind 6 to 8 mph becoming west in the afternoon.

    High: 49 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 34. West wind 8 to 10 mph.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 47. Northwest wind 6 to 8 mph becoming northeast in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers. Cloudy, with a low around 30.

    Low: 30 °F

    Chance
    Showers

  • Saturday

    Saturday: Rain and snow showers likely before 1pm, then a chance of snow showers. Mostly cloudy, with a high near 38. Breezy. Chance of precipitation is 60%.

    High: 38 °F

    Rain/Snow
    Likely and
    Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 44. West wind 7 to 10 mph.
Tonight
Increasing clouds, with a low around 32. West wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 49. Northwest wind 6 to 8 mph becoming west in the afternoon.
Wednesday Night
Mostly clear, with a low around 34. West wind 8 to 10 mph.
Thursday
Mostly sunny, with a high near 47. Northwest wind 6 to 8 mph becoming northeast in the afternoon.
Thursday Night
Mostly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 51.
Friday Night
A 50 percent chance of showers. Cloudy, with a low around 30.
Saturday
Rain and snow showers likely before 1pm, then a chance of snow showers. Mostly cloudy, with a high near 38. Breezy. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 22. Blustery.
Sunday
Sunny, with a high near 36.
Sunday Night
Mostly clear, with a low around 26.
Monday
Sunny, with a high near 42.
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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:
8:58 am EST Jan 27, 2026
Forecast Valid:
12pm EST Jan 27, 2026-6pm EST Feb 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