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.

Fog/Mist

54°F

12°C

Humidity 100%
Wind Speed N 8 mph
Barometer 30.36 in
Dewpoint 54°F (12°C)
Visibility 3.00 mi
Wind Chill52°F (11°C)
Last update 3 Mar 2:55 am EST
Extended Forecast for

Sullivans Island SC

  • Overnight

    Overnight: Mostly cloudy, with a low around 53. Northeast wind around 10 mph.

    Low: 53 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 62. Northeast wind around 10 mph.

    High: 62 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55. East wind around 6 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. Southeast wind around 5 mph becoming calm after midnight.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 53. Northeast wind around 10 mph.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 62. Northeast wind around 10 mph.
Tuesday Night
Mostly cloudy, with a low around 55. East wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 64. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 58. Southeast wind around 5 mph becoming calm after midnight.
Thursday
Partly sunny, with a high near 65.
Thursday Night
Mostly cloudy, with a low around 61.
Friday
Partly sunny, with a high near 67.
Friday Night
Mostly cloudy, with a low around 61.
Saturday
Partly sunny, with a high near 68.
Saturday Night
Mostly cloudy, with a low around 61.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 68.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 61.
Monday
A 30 percent chance of showers. Partly 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:
1:30 am EST Mar 3, 2026
Forecast Valid:
3am EST Mar 3, 2026-6pm EDT Mar 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation