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

54°F

12°C

Humidity 38%
Wind Speed W 9 mph
Barometer 30.01 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 1 Jan 10:55 am EST
Extended Forecast for

Sullivans Island SC

  • New Year's Day

    New Year's Day: Sunny, with a high near 58. West wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 49. West wind 6 to 8 mph.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 62. West wind 8 to 10 mph.

    High: 62 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 53. Southwest wind around 7 mph.

    Low: 53 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 4pm. High near 63. Southwest wind 6 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 63 °F

    Showers
    Likely then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 45. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

New Year's Day
Sunny, with a high near 58. West wind 9 to 11 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 49. West wind 6 to 8 mph.
Friday
Partly sunny, with a high near 62. West wind 8 to 10 mph.
Friday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 53. Southwest wind around 7 mph.
Saturday
Showers, with thunderstorms also possible after 4pm. High near 63. Southwest wind 6 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 45. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Mostly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...
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 Jan 1, 2026
Forecast Valid:
11am EST Jan 1, 2026-6pm EST Jan 7, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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