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

79°F

26°C

Humidity 58%
Wind Speed N 7 mph
Barometer 30.13 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 9 Mar 12:15 pm EDT
Extended Forecast for

Sullivans Island SC

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 68. South wind 7 to 13 mph.

    High: 68 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 60. Southwest wind around 7 mph.

    Low: 60 °F

    Patchy Fog

  • Tuesday

    Tuesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of showers after 2pm. Partly sunny, with a high near 72. South wind 5 to 9 mph. Chance of precipitation is 40%.

    High: 72 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62. Southwest wind around 7 mph.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. Southwest wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.

    High: 70 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 68. South wind 7 to 13 mph.
Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 60. Southwest wind around 7 mph.
Tuesday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of showers after 2pm. Partly sunny, with a high near 72. South wind 5 to 9 mph. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 62. Southwest wind around 7 mph.
Wednesday
Mostly sunny, with a high near 72. Southwest wind 6 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 63.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 58.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 70.
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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:
10:08 am EDT Mar 9, 2026
Forecast Valid:
12pm EDT Mar 9, 2026-6pm EDT Mar 15, 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