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

41°F

5°C

Humidity 61%
Wind Speed SW 5 mph
Barometer 30.16 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 24 Feb 7:15 pm EST
Extended Forecast for

Sullivans Island SC

  • Tonight

    Tonight: Increasing clouds, with a low around 42. Southwest wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 60. Southwest wind 14 to 16 mph, with gusts as high as 25 mph.

    High: 60 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 53. Southwest wind around 13 mph, with gusts as high as 21 mph.

    Low: 53 °F

    Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers. Mostly cloudy, with a high near 63. Southwest wind 13 to 16 mph, with gusts as high as 25 mph.

    High: 63 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 56. South wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 56 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers, with thunderstorms also possible after 4pm. High near 62. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 53. Chance of precipitation is 70%.

    Low: 53 °F

    Showers
    Likely

  • Saturday

    Saturday: A 50 percent chance of showers. Mostly cloudy, with a high near 62.

    High: 62 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 51.

    Low: 51 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 42. Southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 60. Southwest wind 14 to 16 mph, with gusts as high as 25 mph.
Wednesday Night
Cloudy, with a low around 53. Southwest wind around 13 mph, with gusts as high as 21 mph.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 63. Southwest wind 13 to 16 mph, with gusts as high as 25 mph.
Thursday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 56. South wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers, with thunderstorms also possible after 4pm. High near 62. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 53. Chance of precipitation is 70%.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 62.
Saturday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 51.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 60.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 50.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 63.
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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:
3:10 pm EST Feb 24, 2026
Forecast Valid:
7pm EST Feb 24, 2026-6pm EST Mar 3, 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