Current conditions at

Charleston Executive Airport (KJZI)

Lat: 32.7°NLon: 80°WElev: 16ft.

Mostly Cloudy

32°F

0°C

Humidity 93%
Wind Speed NW 3 mph
Barometer 30.27 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 13 Jan 7:15 am EST
Extended Forecast for

Sullivans Island SC

  • Today

    Today: Sunny, with a high near 57. Light and variable wind becoming south around 6 mph in the afternoon.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 46. West wind around 6 mph.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of rain.  Mostly cloudy, with a high near 57. West wind 7 to 10 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am.  Mostly cloudy, with a low around 42. Southwest wind around 10 mph.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 50. Northwest wind 10 to 14 mph.

    High: 50 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 49.

    High: 49 °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 56.

    High: 56 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 57. Light and variable wind becoming south around 6 mph in the afternoon.
Tonight
Partly cloudy, with a low around 46. West wind around 6 mph.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 57. West wind 7 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 42. Southwest wind around 10 mph.
Thursday
Partly sunny, with a high near 50. Northwest wind 10 to 14 mph.
Thursday Night
Mostly clear, with a low around 29.
Friday
Sunny, with a high near 49.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 56.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 31.
M.L.King Day
Sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
Sullivans Island SC
 32.76°N 79.85°W (Elev. 0 ft)
1:46 am EST Jan 13, 2026
7am EST Jan 13, 2026-6pm EST Jan 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database