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

75°F

24°C

Humidity 100%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 75°F (24°C)
Visibility 8.00 mi
Last update 17 Aug 6:55 am EDT
Extended Forecast for

3 Miles WNW Johns Island SC

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. North wind 5 to 7 mph becoming east in the afternoon.

    High: 89 °F

    Patchy Fog
    then Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 73. Southeast wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92. North wind 5 to 8 mph becoming southeast in the afternoon.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South wind 5 to 7 mph becoming light and variable.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Northeast wind 8 to 11 mph.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 90.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 76.

    Low: 76 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.

    High: 90 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. North wind 5 to 7 mph becoming east in the afternoon.
Tonight
Mostly clear, with a low around 73. Southeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 92. North wind 5 to 8 mph becoming southeast in the afternoon.
Monday Night
Mostly clear, with a low around 75. South wind 5 to 7 mph becoming light and variable.
Tuesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Northeast wind 8 to 11 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 90.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 76.
Thursday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 87. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Johns Island SC
 32.74°N 80.12°W (Elev. 10 ft)
Last Update:
6:38 am EDT Aug 17, 2025
Forecast Valid:
7am EDT Aug 17, 2025-6pm EDT Aug 23, 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