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.

Overcast

52°F

11°C

Humidity 100%
Wind Speed N 3 mph
Barometer 30.12 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 1 Mar 3:15 am EST
Extended Forecast for

Johns Island SC

Dense Fog Advisory until March 1, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until March 1, 09:00am

    NOW until 9:00am Sun

    Dense Fog Advisory

  • Overnight

    Low: 47 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 71. Calm wind becoming south around 5 mph in the afternoon.

    High: 71 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 49. Calm wind becoming northeast around 6 mph after midnight.

    Low: 49 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 61. Northeast wind 13 to 15 mph, with gusts as high as 25 mph.

    High: 61 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 51. Northeast wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 51 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers. Mostly sunny, with a high near 67.

    High: 67 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 47. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 71. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 49. Calm wind becoming northeast around 6 mph after midnight.
Monday
Partly sunny, with a high near 61. Northeast wind 13 to 15 mph, with gusts as high as 25 mph.
Monday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 51. Northeast wind 9 to 13 mph, with gusts as high as 22 mph.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 54.
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 74.
Thursday Night
Partly cloudy, with a low around 59.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 60.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 75.
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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 Mar 1, 2026
Forecast Valid:
3am EST Mar 1, 2026-6pm EST Mar 7, 2026
 
Forecast Discussion
 
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Additional Resources

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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