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.

Overcast

52°F

11°C

Humidity 82%
Wind Speed Calm
Barometer 30.18 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 22 Jan 10:15 pm EST
Extended Forecast for

Johns Island SC

  • Tonight

    Tonight: Partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 64. Northeast wind 3 to 6 mph.

    High: 64 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 42. Northeast wind 6 to 10 mph.

    Low: 42 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers, mainly after 1pm. Cloudy, with a high near 49. Northeast wind around 14 mph, with gusts as high as 23 mph.

    High: 49 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 1am. Cloudy, with a low around 37. Northeast wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Showers
    Likely

  • Sunday

    Sunday: A 40 percent chance of showers. Cloudy, with a high near 61.

    High: 61 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers. Low around 39. Chance of precipitation is 80%.

    Low: 39 °F

    Showers

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 51.

    High: 51 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 47. Calm wind.
Friday
Partly sunny, with a high near 64. Northeast wind 3 to 6 mph.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 42. Northeast wind 6 to 10 mph.
Saturday
A 40 percent chance of showers, mainly after 1pm. Cloudy, with a high near 49. Northeast wind around 14 mph, with gusts as high as 23 mph.
Saturday Night
Showers likely, mainly before 1am. Cloudy, with a low around 37. Northeast wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 40 percent chance of showers. Cloudy, with a high near 61.
Sunday Night
Showers. Low around 39. Chance of precipitation is 80%.
Monday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 24.
Tuesday
Sunny, with a high near 45.
Tuesday Night
Mostly clear, with a low around 29.
Wednesday
Mostly sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 53.
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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:
7:33 pm EST Jan 22, 2026
Forecast Valid:
10pm EST Jan 22, 2026-6pm EST Jan 29, 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