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

48°F

9°C

Humidity 32%
Wind Speed SW 5 mph
Barometer 30.14 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 28 Jan 5:55 pm EST
Extended Forecast for

Sullivans Island SC

  • Tonight

    Tonight: Mostly clear, with a low around 34. West wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 47. North wind 6 to 8 mph.

    High: 47 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 39. Light east wind.

    Low: 39 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 54. Northeast wind 5 to 7 mph.

    High: 54 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 37. North wind 5 to 8 mph.

    Low: 37 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain before 1pm, then snow likely, possibly mixed with rain. Cloudy, with a high near 43. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 21. Blustery. Chance of precipitation is 70%.

    Low: 21 °F

    Snow Likely
    and Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 34. West wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday
Increasing clouds, with a high near 47. North wind 6 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 39. Light east wind.
Friday
Mostly sunny, with a high near 54. Northeast wind 5 to 7 mph.
Friday Night
A 30 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 37. North wind 5 to 8 mph.
Saturday
A chance of rain before 1pm, then snow likely, possibly mixed with rain. Cloudy, with a high near 43. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 21. Blustery. Chance of precipitation is 70%.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Mostly clear, with a low around 25.
Monday
Sunny, with a high near 43.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 49.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
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:
1:37 pm EST Jan 28, 2026
Forecast Valid:
6pm EST Jan 28, 2026-6pm EST Feb 4, 2026
 
Forecast Discussion
 
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Additional Resources

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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