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.

A Few Clouds

63°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 30.22 in
Dewpoint 63°F (17°C)
Visibility 9.00 mi
Last update 2 Apr 2:55 am EDT
Extended Forecast for

Sullivans Island SC

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 61. South wind around 5 mph.

    Low: 61 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 72. Light southeast wind becoming east 5 to 9 mph in the morning.

    High: 72 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63. Southeast wind around 6 mph.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers before 2pm. Mostly sunny, with a high near 72. Southeast wind 5 to 9 mph.

    High: 72 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 63. Southeast wind 3 to 6 mph.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely after 8pm. Cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 61. South wind around 5 mph.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 72. Light southeast wind becoming east 5 to 9 mph in the morning.
Thursday Night
Partly cloudy, with a low around 63. Southeast wind around 6 mph.
Friday
A 20 percent chance of showers before 2pm. Mostly sunny, with a high near 72. Southeast wind 5 to 9 mph.
Friday Night
Mostly clear, with a low around 63. Southeast wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 65.
Sunday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 74.
Sunday Night
A chance of showers and thunderstorms, then showers likely after 8pm. Cloudy, with a low around 58. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 67.
Monday Night
Cloudy, with a low around 56.
Tuesday
A 20 percent chance of showers. Mostly cloudy, with a high near 66.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 64. Breezy.
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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:
2:35 am EDT Apr 2, 2026
Forecast Valid:
3am EDT Apr 2, 2026-6pm EDT Apr 8, 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