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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Johns Island SC

  • Tonight

    Tonight: Mostly clear, with a low around 65. North wind around 11 mph, with gusts as high as 21 mph.

    Low: 65 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 83. Northeast wind 11 to 13 mph, with gusts as high as 22 mph.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67. Northeast wind around 8 mph.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. North wind around 10 mph.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69. Northeast wind around 6 mph.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84.

    High: 84 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 86.

    High: 86 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 65. North wind around 11 mph, with gusts as high as 21 mph.
Labor Day
Sunny, with a high near 83. Northeast wind 11 to 13 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 67. Northeast wind around 8 mph.
Tuesday
Sunny, with a high near 83. North wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 69. Northeast wind around 6 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 86.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 74.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 89.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Johns Island SC
 32.73°N 80.07°W (Elev. 23 ft)
Last Update:
7:23 pm EDT Aug 31, 2025
Forecast Valid:
8pm EDT Aug 31, 2025-6pm EDT Sep 7, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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