National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Charleston Executive Airport (KJZI)

Lat: 32.7°NLon: 80°WElev: 16ft.

Fair

57°F

14°C

Humidity 55%
Wind Speed E 13 G 20 mph
Barometer 30.42 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 28 Mar 6:55 pm EDT
Extended Forecast for

Sullivans Island SC

High Surf Advisory March 28, 09:00pm until March 29, 11:00am
Red Flag Warning March 28, 07:17pm until March 28, 08:00pm
Click here for hazard details and duration
High Surf Advisory
...
  •  
    Red Flag Warning March 28, 07:17pm until March 28, 08:00pm

    NOW until 8:00pm Sat

    Red Flag Warning

  • Tonight

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 65. East wind around 15 mph, with gusts as high as 23 mph.

    High: 65 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58. East wind 5 to 8 mph.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 69. Southeast wind 5 to 9 mph.

    High: 69 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61. South wind around 6 mph.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 72. Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 50. Northeast wind 15 to 17 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny, with a high near 65. East wind around 15 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 58. East wind 5 to 8 mph.
Monday
Mostly sunny, with a high near 69. Southeast wind 5 to 9 mph.
Monday Night
Partly cloudy, with a low around 61. South wind around 6 mph.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
A slight chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 72. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 73.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 72.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 63.
Saturday
A 30 percent chance of showers. Mostly cloudy, with a high near 72.
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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:
6:32 pm EDT Mar 28, 2026
Forecast Valid:
7pm EDT Mar 28, 2026-6pm EDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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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