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

36°F

2°C

Humidity 52%
Wind Speed NW 15 G 23 mph
Barometer 30.05 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 23 Feb 4:15 am EST
Extended Forecast for

Johns Island SC

Cold Weather Advisory February 23, 04:33am until February 23, 09:00am
Click here for hazard details and duration
...
  •  
    Cold Weather Advisory February 23, 04:33am until February 23, 09:00am

    NOW until 9:00am Mon

    Cold Weather Advisory

  • Today

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 28. Northwest wind 8 to 11 mph.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 51. Northwest wind 5 to 8 mph becoming southwest in the afternoon.

    High: 51 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40. Southwest wind 6 to 9 mph.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 62. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 62 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Slight Chance
    Showers then
    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 47. Northwest wind 10 to 16 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 28. Northwest wind 8 to 11 mph.
Tuesday
Sunny, with a high near 51. Northwest wind 5 to 8 mph becoming southwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 40. Southwest wind 6 to 9 mph.
Wednesday
Mostly cloudy, with a high near 62. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly cloudy, with a low around 51.
Thursday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 68.
Thursday Night
A 50 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 56.
Friday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 51.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 66.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 50.
Sunday
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:
Johns Island SC
 32.73°N 80.07°W (Elev. 23 ft)
Last Update:
1:40 am EST Feb 23, 2026
Forecast Valid:
4am EST Feb 23, 2026-6pm EST Mar 1, 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