Current conditions at

Charleston Executive Airport (KJZI)

Lat: 32.7°NLon: 80°WElev: 16ft.

A Few Clouds

82°F

28°C

Humidity 89%
Wind Speed SW 9 mph
Barometer 30.13 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 26 Jun 11:15 pm EDT
Extended Forecast for

Johns Island SC

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 2am.  Partly cloudy, with a low around 78. Southwest wind around 9 mph.

    Low: 78 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 92. Heat index values as high as 102. Southwest wind 7 to 11 mph.

    High: 92 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 79. Southwest wind 8 to 11 mph.

    Low: 79 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 2pm.  Sunny, with a high near 96. Heat index values as high as 107. Southwest wind 7 to 10 mph.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 5am, then a slight chance of showers.  Partly cloudy, with a low around 78. Southwest wind 5 to 8 mph.  Chance of precipitation is 30%.

    Low: 78 °F

    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers, then showers and thunderstorms likely after 11am.  Mostly sunny, with a high near 94. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 8pm.  Partly cloudy, with a low around 77. Chance of precipitation is 60%.

    Low: 77 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly between 8am and 2pm.  Mostly sunny, with a high near 90.

    High: 90 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 78. Southwest wind around 9 mph.
Saturday
Mostly sunny, with a high near 92. Heat index values as high as 102. Southwest wind 7 to 11 mph.
Saturday Night
Mostly clear, with a low around 79. Southwest wind 8 to 11 mph.
Sunday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 96. Heat index values as high as 107. Southwest wind 7 to 10 mph.
Sunday Night
A chance of showers and thunderstorms before 5am, then a slight chance of showers. Partly cloudy, with a low around 78. Southwest wind 5 to 8 mph. Chance of precipitation is 30%.
Monday
A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 94. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 77. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly between 8am and 2pm. Mostly sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 78.
Friday
Sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Johns Island SC
 32.73°N 80.07°W (Elev. 23 ft)
8:30 pm EDT Jun 26, 2026
11pm EDT Jun 26, 2026-6pm EDT Jul 3, 2026
 
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Additional Resources

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