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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Sullivans Island SC

  • Overnight

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

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58. Northeast wind around 7 mph.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 47. Light and variable wind.

    Low: 47 °F

    Cloudy

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 61. Calm wind becoming east around 6 mph in the afternoon.

    High: 61 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. Light and variable wind.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers. Partly sunny, with a high near 62.

    High: 62 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of rain. Cloudy, with a high near 49.

    High: 49 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain. Low around 35. Chance of precipitation is 80%.

    Low: 35 °F

    Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 39. Northeast wind around 7 mph.
Wednesday
Mostly sunny, with a high near 58. Northeast wind around 7 mph.
Wednesday Night
Cloudy, with a low around 47. Light and variable wind.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 61. Calm wind becoming east around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 50. Light and variable wind.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 62.
Friday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 43.
Saturday
A 50 percent chance of rain. Cloudy, with a high near 49.
Saturday Night
Rain. Low around 35. Chance of precipitation is 80%.
Sunday
Rain. High near 43. Chance of precipitation is 90%.
Sunday Night
Rain likely. Cloudy, with a low around 32. Chance of precipitation is 70%.
Monday
A 30 percent chance of rain. Partly sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Sunny, with a high near 41.
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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:
1:32 am EST Jan 21, 2026
Forecast Valid:
2am EST Jan 21, 2026-6pm EST Jan 27, 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