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

73°F

23°C

Humidity 69%
Wind Speed E 13 mph
Barometer 30.25 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 2 Apr 5:15 pm EDT
Extended Forecast for

Sullivans Island SC

  • This Afternoon

    This Afternoon: Isolated showers. Mostly sunny, with a high near 72. East wind around 10 mph. Chance of precipitation is 20%.

    High: 72 °F

    Isolated
    Showers

  • Tonight

    Tonight: Isolated showers before 9pm. Partly cloudy, with a low around 64. Southeast wind around 7 mph. Chance of precipitation is 20%.

    Low: 64 °F

    Isolated
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73. Southeast wind 6 to 9 mph.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64. South wind around 6 mph.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 74. Calm wind becoming southeast 5 to 9 mph in the morning.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 75. Chance of precipitation is 50%.

    High: 75 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely

  • Monday

    Monday: A 30 percent chance of showers, mainly before 8am. Cloudy, with a high near 67.

    High: 67 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Isolated showers. Mostly sunny, with a high near 72. East wind around 10 mph. Chance of precipitation is 20%.
Tonight
Isolated showers before 9pm. Partly cloudy, with a low around 64. Southeast wind around 7 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 73. Southeast wind 6 to 9 mph.
Friday Night
Partly cloudy, with a low around 64. South wind around 6 mph.
Saturday
Mostly sunny, with a high near 74. Calm wind becoming southeast 5 to 9 mph in the morning.
Saturday Night
Mostly clear, with a low around 65.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 75. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Cloudy, with a low around 59. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers, mainly before 8am. Cloudy, with a high near 67.
Monday Night
Cloudy, with a low around 57.
Tuesday
A 20 percent chance of showers. Cloudy, with a high near 67.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 62. Breezy.
Wednesday Night
Mostly cloudy, with a low around 51.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sullivans Island SC
 32.76°N 79.85°W (Elev. 0 ft)
Last Update:
4:42 pm EDT Apr 2, 2026
Forecast Valid:
5pm EDT Apr 2, 2026-6pm EDT Apr 9, 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