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

37°F

3°C

Humidity 75%
Wind Speed NE 3 mph
Barometer 30.32 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 9 Feb 2:35 am EST
Extended Forecast for

Sullivans Island SC

  • Overnight

    Overnight: Mostly cloudy, with a low around 39. Northeast wind around 7 mph.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 53. East wind around 8 mph.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. East wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62. Southwest wind 6 to 10 mph.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 53. Southwest wind around 10 mph.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers, mainly after 1pm. Cloudy, with a high near 63. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 39. Northeast wind around 7 mph.
Monday
Sunny, with a high near 53. East wind around 8 mph.
Monday Night
Mostly clear, with a low around 46. East wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 62. Southwest wind 6 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 53. Southwest wind around 10 mph.
Wednesday
A 50 percent chance of showers, mainly after 1pm. Cloudy, with a high near 63. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 50 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 46.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 56.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 46.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 55.
Saturday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 49. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 59. Chance of precipitation is 70%.
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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 9, 2026
Forecast Valid:
2am EST Feb 9, 2026-6pm EST Feb 15, 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