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.

A Few Clouds

75°F

24°C

Humidity 65%
Wind Speed N 15 mph
Barometer 30.10 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 1 Sep 11:35 am EDT
Extended Forecast for

Johns Island SC

  • Labor Day

    Labor Day: Sunny, with a high near 82. Northeast wind 11 to 13 mph, with gusts as high as 22 mph.

    High: 82 °F

    Sunny

  • Tonight

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

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 82. Northeast wind around 10 mph.

    High: 82 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69. Northeast wind 5 to 7 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. East wind 7 to 9 mph.

    High: 84 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86.

    High: 86 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Labor Day
Sunny, with a high near 82. Northeast wind 11 to 13 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 67. Northeast wind around 8 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 82. Northeast wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 69. Northeast wind 5 to 7 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. East wind 7 to 9 mph.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 73.
Friday
Sunny, with a high near 89.
Friday Night
Partly cloudy, with a low around 74.
Saturday
Sunny, with a high near 90.
Saturday Night
Partly cloudy, with a low around 74.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Johns Island SC
 32.71°N 80.1°W (Elev. 3 ft)
Last Update:
10:38 am EDT Sep 1, 2025
Forecast Valid:
11am EDT Sep 1, 2025-6pm EDT Sep 7, 2025
 
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