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 77%
Wind Speed SW 12 mph
Barometer 30.06 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 25 Feb 12:35 pm EST
Extended Forecast for

Sullivans Island SC

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 59. Southwest wind around 17 mph, with gusts as high as 25 mph.

    High: 59 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 53. Southwest wind around 13 mph, with gusts as high as 22 mph.

    Low: 53 °F

    Cloudy

  • Thursday

    Thursday: A slight chance of showers before noon, then a chance of showers after 3pm. Mostly cloudy, with a high near 61. Southwest wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    High: 61 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Mostly cloudy, with a low around 55. Southwest wind 8 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers
    Likely

  • Friday

    Friday: Showers. High near 61. South wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 61 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 1am. Cloudy, with a low around 52. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Showers
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 62.

    High: 62 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 59. Southwest wind around 17 mph, with gusts as high as 25 mph.
Tonight
Cloudy, with a low around 53. Southwest wind around 13 mph, with gusts as high as 22 mph.
Thursday
A slight chance of showers before noon, then a chance of showers after 3pm. Mostly cloudy, with a high near 61. Southwest wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Thursday Night
Showers likely before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Mostly cloudy, with a low around 55. Southwest wind 8 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers. High near 61. South wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Showers likely, mainly before 1am. Cloudy, with a low around 52. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 52.
Monday
A 30 percent chance of showers. Mostly sunny, with a high near 63.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 50.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 60.
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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:
12:37 pm EST Feb 25, 2026
Forecast Valid:
12pm EST Feb 25, 2026-6pm EST Mar 3, 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