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

61°F

16°C

Humidity 83%
Wind Speed S 7 mph
Barometer 30.17 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 1 Mar 3:15 pm EST
Extended Forecast for

Johns Island SC

  • Tonight

    Tonight: Partly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Patchy fog between 8am and 10am. Otherwise, mostly cloudy, with a high near 61. Northeast wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 61 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 51. Northeast wind 7 to 10 mph.

    Low: 51 °F

    Cloudy then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 68. Northeast wind 6 to 9 mph.

    High: 68 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. East wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 49. Calm wind.
Monday
Patchy fog between 8am and 10am. Otherwise, mostly cloudy, with a high near 61. Northeast wind 8 to 14 mph, with gusts as high as 22 mph.
Monday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 51. Northeast wind 7 to 10 mph.
Tuesday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 68. Northeast wind 6 to 9 mph.
Tuesday Night
Mostly clear, with a low around 54. East wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 60.
Friday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 60.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 75.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 59.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Johns Island SC
 32.73°N 80.07°W (Elev. 23 ft)
Last Update:
3:12 pm EST Mar 1, 2026
Forecast Valid:
3pm EST Mar 1, 2026-6pm EDT Mar 8, 2026
 
Forecast Discussion
 
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Additional Resources

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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