National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Charleston Executive Airport (KJZI)

Lat: 32.7°NLon: 80°WElev: 16ft.

Fair

48°F

9°C

Humidity 34%
Wind Speed NW 17 G 26 mph
Barometer 29.74 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 15 Jan 3:15 pm EST
Extended Forecast for

Sullivans Island SC

  • Tonight

    Tonight: Clear, with a low around 28. Northwest wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 28 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 51. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 51 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43. Southwest wind 7 to 9 mph.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 61. Southwest wind 11 to 14 mph.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 41. Southwest wind 6 to 9 mph becoming northwest after midnight.

    Low: 41 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 49. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 28. Northwest wind 6 to 14 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 51. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Friday Night
Mostly clear, with a low around 43. Southwest wind 7 to 9 mph.
Saturday
Mostly sunny, with a high near 61. Southwest wind 11 to 14 mph.
Saturday Night
A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 41. Southwest wind 6 to 9 mph becoming northwest after midnight.
Sunday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 49. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Mostly clear, with a low around 31.
M.L.King Day
Sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 32.
Tuesday
Sunny, with a high near 45.
Tuesday Night
Mostly clear, with a low around 33.
Wednesday
Mostly sunny, with a high near 53.
Wednesday Night
Mostly cloudy, with a low around 42.
Thursday
Partly sunny, with a high near 56.
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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 15, 2026
Forecast Valid:
3pm EST Jan 15, 2026-6pm EST Jan 22, 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