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.

Fair

37°F

3°C

Humidity 60%
Wind Speed SW 6 mph
Barometer 30.29 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 3 Feb 3:35 am EST
Extended Forecast for

Johns Island SC

  • Overnight

    Overnight: Clear, with a low around 28. Calm wind.

    Low: 28 °F

    Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 56. Calm wind becoming south 5 to 9 mph in the morning.

    High: 56 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45. Southwest wind around 6 mph.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers, mainly after 1pm. High near 56. Southwest wind 6 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Showers, mainly before 1am. Low around 38. Light and variable wind becoming northwest around 6 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 47.

    High: 47 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 28. Calm wind.
Tuesday
Increasing clouds, with a high near 56. Calm wind becoming south 5 to 9 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 45. Southwest wind around 6 mph.
Wednesday
Showers, mainly after 1pm. High near 56. Southwest wind 6 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Showers, mainly before 1am. Low around 38. Light and variable wind becoming northwest around 6 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 47.
Thursday Night
Mostly clear, with a low around 32.
Friday
Sunny, with a high near 55.
Friday Night
Mostly clear, with a low around 40.
Saturday
Sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 56.
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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:
1:32 am EST Feb 3, 2026
Forecast Valid:
3am EST Feb 3, 2026-6pm EST Feb 9, 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