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

37°F

3°C

Humidity 81%
Wind Speed Calm
Barometer 30.22 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 30 Jan 12:35 am EST
Extended Forecast for

Johns Island SC

Extreme Cold Watch January 31, 07:00pm until February 1, 12:00pm
Winter Storm Warning January 31, 07:00am until February 1, 01:00pm
Click here for hazard details and duration
Extreme Cold Watch
Winter Storm Warning

  • Overnight

    Overnight: Mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57. East wind 3 to 7 mph.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 36. North wind 3 to 6 mph.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: Rain before 4pm, then snow. High near 46. North wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Chance Rain
    then
    Rain/Snow

  • Saturday Night

    Saturday Night: Snow, mainly before 1am. Low around 18. Northwest wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 18 °F

    Snow

  • Sunday

    Sunday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 36. Calm wind.
Friday
Mostly sunny, with a high near 57. East wind 3 to 7 mph.
Friday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 36. North wind 3 to 6 mph.
Saturday
Rain before 4pm, then snow. High near 46. North wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday Night
Snow, mainly before 1am. Low around 18. Northwest wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Sunday
Sunny, with a high near 37.
Sunday Night
Mostly clear, with a low around 22.
Monday
Sunny, with a high near 46.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Sunny, with a high near 51.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 54.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 40.
Thursday
A 40 percent chance of rain. Mostly cloudy, 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:
7:30 pm EST Jan 29, 2026
Forecast Valid:
12am EST Jan 30, 2026-6pm EST Feb 5, 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