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

50°F

10°C

Humidity 76%
Wind Speed SW 10 mph
Barometer 30.22 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 3 Feb 11:35 pm EST
Extended Forecast for

Johns Island SC

  • Tonight

    Tonight: A 20 percent chance of showers after 3am. Mostly cloudy, with a low around 45. Southwest wind around 7 mph.

    Low: 45 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Showers, mainly after 3pm. High near 57. Southwest wind 6 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Showers, mainly before 1am. Low around 39. Southwest wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Showers

  • Thursday

    Thursday: A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 48. North wind 8 to 11 mph.

    High: 48 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32. North wind around 6 mph becoming calm in the evening.

    Low: 32 °F

    Partly Cloudy

  • 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

  • Saturday

    Saturday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers after 3am. Mostly cloudy, with a low around 45. Southwest wind around 7 mph.
Wednesday
Showers, mainly after 3pm. High near 57. Southwest wind 6 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers, mainly before 1am. Low around 39. Southwest wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 48. North wind 8 to 11 mph.
Thursday Night
Partly cloudy, with a low around 32. North wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 55.
Friday Night
Mostly clear, with a low around 40.
Saturday
Sunny, with a high near 58.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 61.
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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:
7:32 pm EST Feb 3, 2026
Forecast Valid:
11pm EST Feb 3, 2026-6pm EST Feb 10, 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