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.

Overcast

50°F

10°C

Humidity 88%
Wind Speed N 14 G 23 mph
Barometer 29.95 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 16 Feb 7:55 am EST
Extended Forecast for

Sullivans Island SC

  • Washington's Birthday

    Washington's Birthday: Mostly cloudy, then gradually becoming sunny, with a high near 59. North wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 59 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 46. Northeast wind around 6 mph.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 59. Northeast wind around 7 mph becoming southeast in the afternoon.

    High: 59 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 51. Light and variable wind becoming south around 5 mph after midnight.

    Low: 51 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 64. Southwest wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 64 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers. Mostly cloudy, with a high near 66.

    High: 66 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of showers. Partly sunny, with a high near 69.

    High: 69 °F

    Chance
    Showers

Detailed Forecast

Washington's Birthday
Mostly cloudy, then gradually becoming sunny, with a high near 59. North wind 9 to 14 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 46. Northeast wind around 6 mph.
Tuesday
Sunny, with a high near 59. Northeast wind around 7 mph becoming southeast in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 51. Light and variable wind becoming south around 5 mph after midnight.
Wednesday
Mostly cloudy, with a high near 64. Southwest wind 6 to 14 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 55.
Thursday
A 20 percent chance of showers. Mostly cloudy, with a high near 66.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 69.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 56.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 67.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 51.
Sunday
A 40 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:
7:32 am EST Feb 16, 2026
Forecast Valid:
8am EST Feb 16, 2026-6pm EST Feb 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation