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.

39°F

4°C

Humidity 100%
Wind Speed N 12 mph
Barometer 29.97 in
Dewpoint 39°F (4°C)
Visibility 7.00 mi
Wind Chill32°F (0°C)
Last update 5 Feb 10:55 am EST
Extended Forecast for

Johns Island SC

  • Today

    Today: Cloudy, with a high near 45. North wind around 10 mph.

    High: 45 °F

    Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 31. Northwest wind 3 to 7 mph.

    Low: 31 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 55. West wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. West wind 8 to 10 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 54. North wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 54 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 29.

    Low: 29 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
Cloudy, with a high near 45. North wind around 10 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 31. Northwest wind 3 to 7 mph.
Friday
Sunny, with a high near 55. West wind 6 to 11 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 40. West wind 8 to 10 mph.
Saturday
Sunny, with a high near 54. North wind 9 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Clear, with a low around 29.
Sunday
Sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Mostly cloudy, with a low around 49.
Wednesday
Mostly cloudy, with a high near 68.
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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:
9:08 am EST Feb 5, 2026
Forecast Valid:
11am EST Feb 5, 2026-6pm EST Feb 11, 2026
 
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