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.

Mostly Cloudy

59°F

15°C

Humidity 82%
Wind Speed N 9 mph
Barometer 30.09 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 28 Feb 12:55 pm EST
Extended Forecast for

Sullivans Island SC

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 58. North wind 6 to 8 mph.

    High: 58 °F

    Partly Sunny

  • Tonight

    Tonight: Areas of fog after 4am. Otherwise, partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy
    then Areas
    Fog

  • Sunday

    Sunday: Areas of fog before 9am. Otherwise, sunny, with a high near 65. Calm wind becoming south around 6 mph in the afternoon.

    High: 65 °F

    Areas Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50. Calm wind becoming northeast 5 to 8 mph after midnight.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 58. Northeast wind 14 to 17 mph, with gusts as high as 25 mph.

    High: 58 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers. Mostly sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 58. North wind 6 to 8 mph.
Tonight
Areas of fog after 4am. Otherwise, partly cloudy, with a low around 48. Calm wind.
Sunday
Areas of fog before 9am. Otherwise, sunny, with a high near 65. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 50. Calm wind becoming northeast 5 to 8 mph after midnight.
Monday
Mostly cloudy, with a high near 58. Northeast wind 14 to 17 mph, with gusts as high as 25 mph.
Monday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 50.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 59.
Friday
A 40 percent chance of showers. Mostly sunny, with a high near 69.
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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:
12:27 pm EST Feb 28, 2026
Forecast Valid:
1pm EST Feb 28, 2026-6pm EST Mar 6, 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