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

48°F

9°C

Humidity 94%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 15 Feb 3:35 am EST
Extended Forecast for

5 Miles ESE Johns Island SC

  • Overnight

    Overnight: Mostly cloudy, with a low around 49. Light east wind.

    Low: 49 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 66. South wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Low around 49. South wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers then
    Chance
    Showers

  • Washington's Birthday

    Washington's Birthday: Mostly cloudy, then gradually becoming sunny, with a high near 63. North wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 63 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Tuesday Night

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

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 69.

    High: 69 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 49. Light east wind.
Sunday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 66. South wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Low around 49. South wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Washington's Birthday
Mostly cloudy, then gradually becoming sunny, with a high near 63. North wind 7 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 44. Calm wind.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
Mostly cloudy, with a high near 69.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 71.
Thursday Night
Mostly cloudy, with a low around 56.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 72.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 55.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Johns Island SC
 32.7°N 79.99°W (Elev. 3 ft)
Last Update:
1:30 am EST Feb 15, 2026
Forecast Valid:
3am EST Feb 15, 2026-6pm EST Feb 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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