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.

Mostly Cloudy

63°F

17°C

Humidity 83%
Wind Speed NW 18 G 24 mph
Barometer 29.87 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 22 Feb 9:35 am EST
Extended Forecast for

Johns Island SC

Wind Advisory until February 22, 06:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until February 22, 06:00pm

    NOW until 6:00pm Sun

    Wind Advisory

  • Today

    High: 63 °F⇓

    Partly Sunny
    then Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 32. Northwest wind 11 to 15 mph, with gusts as high as 30 mph.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 48. Northwest wind 13 to 15 mph, with gusts as high as 25 mph.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 28. Northwest wind 7 to 9 mph.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 52. Northwest wind 6 to 8 mph becoming southwest in the afternoon.

    High: 52 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 51 by 5pm. Breezy, with a west wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 37 mph.
Tonight
Mostly clear, with a low around 32. Northwest wind 11 to 15 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 48. Northwest wind 13 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 28. Northwest wind 7 to 9 mph.
Tuesday
Sunny, with a high near 52. Northwest wind 6 to 8 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Partly sunny, with a high near 62.
Wednesday Night
Mostly cloudy, with a low around 50.
Thursday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 67.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 52.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 66.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 48.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 65.
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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:
8:22 am EST Feb 22, 2026
Forecast Valid:
9am EST Feb 22, 2026-6pm EST Feb 28, 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