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

73°F

23°C

Humidity 78%
Wind Speed SW 15 mph
Barometer 30.09 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 10 Jan 3:15 pm EST
Extended Forecast for

Sullivans Island SC

  • Tonight

    Tonight: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 60. South wind around 11 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a temperature rising to near 63 by 11am, then falling to around 54 during the remainder of the day. Northwest wind 10 to 17 mph, with gusts as high as 26 mph.

    High: 63 °F⇓

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. North wind 11 to 14 mph, with gusts as high as 22 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 49. Northeast wind 6 to 10 mph.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38. Light northwest wind.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers. Mostly cloudy, with a high near 58.

    High: 58 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 60. South wind around 11 mph, with gusts as high as 20 mph.
Sunday
Cloudy through mid morning, then gradual clearing, with a temperature rising to near 63 by 11am, then falling to around 54 during the remainder of the day. Northwest wind 10 to 17 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 36. North wind 11 to 14 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 49. Northeast wind 6 to 10 mph.
Monday Night
Partly cloudy, with a low around 38. Light northwest wind.
Tuesday
Sunny, with a high near 55.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 58.
Wednesday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 42.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 51.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 33.
Friday
Sunny, with a high near 52.
Friday Night
Mostly clear, with a low around 40.
Saturday
Sunny, with a high near 57.
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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 pm EST Jan 10, 2026
Forecast Valid:
3pm EST Jan 10, 2026-6pm EST Jan 17, 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