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

55°F

13°C

Humidity 77%
Wind Speed SW 5 mph
Barometer 30.07 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 11 Feb 2:15 am EST
Extended Forecast for

Sullivans Island SC

  • Overnight

    Overnight: Cloudy, with a low around 52. Southwest wind around 11 mph.

    Low: 52 °F

    Cloudy

  • Wednesday

    Wednesday: Showers, mainly after 10am. High near 62. West wind 11 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers, mainly before 7pm. Low around 42. West wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Showers then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 55. North wind 6 to 9 mph becoming east in the afternoon.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 43. Calm wind becoming northeast around 6 mph after midnight.

    Low: 43 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers

Detailed Forecast

Overnight
Cloudy, with a low around 52. Southwest wind around 11 mph.
Wednesday
Showers, mainly after 10am. High near 62. West wind 11 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Showers, mainly before 7pm. Low around 42. West wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Sunny, with a high near 55. North wind 6 to 9 mph becoming east in the afternoon.
Thursday Night
Mostly cloudy, with a low around 43. Calm wind becoming northeast around 6 mph after midnight.
Friday
Mostly sunny, with a high near 54.
Friday Night
Partly cloudy, with a low around 46.
Saturday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 60.
Saturday Night
A 50 percent chance of showers. Cloudy, with a low around 53.
Sunday
Showers. High near 62. Chance of precipitation is 90%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Washington's Birthday
A 40 percent chance of showers. Partly sunny, with a high near 61.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 50.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 61.
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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 11, 2026
Forecast Valid:
2am EST Feb 11, 2026-6pm EST Feb 17, 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