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

48°F

9°C

Humidity 87%
Wind Speed SW 3 mph
Barometer 30.18 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 4 Feb 5:35 am EST
Extended Forecast for

Sullivans Island SC

  • Today

    Today: Rain likely, mainly after 5pm. Cloudy, with a high near 54. Southwest wind 8 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Slight Chance
    Rain then
    Rain Likely

  • Tonight

    Tonight: Rain, mainly before 4am. Low around 42. Southwest wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly after 1pm. Cloudy, with a high near 45. North wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 45 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 34. Northwest wind 6 to 10 mph.

    Low: 34 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 53. West wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

Detailed Forecast

Today
Rain likely, mainly after 5pm. Cloudy, with a high near 54. Southwest wind 8 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly before 4am. Low around 42. Southwest wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A 30 percent chance of rain, mainly after 1pm. Cloudy, with a high near 45. North wind 8 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 34. Northwest wind 6 to 10 mph.
Friday
Sunny, with a high near 53. West wind 6 to 13 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 55.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 53.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Partly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sullivans Island SC
 32.76°N 79.85°W (Elev. 0 ft)
Last Update:
3:58 am EST Feb 4, 2026
Forecast Valid:
5am EST Feb 4, 2026-6pm EST Feb 10, 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