Current conditions at

Charleston Executive Airport (KJZI)

Lat: 32.7°NLon: 80°WElev: 16ft.

Fair

81°F

27°C

Humidity 79%
Wind Speed SW 13 G 21 mph
Barometer 30.09 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 19 Jun 3:35 am EDT
Extended Forecast for

Johns Island SC

  • Overnight

    Overnight: Mostly clear, with a low around 78. Southwest wind around 8 mph.

    Low: 78 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: A 20 percent chance of showers and thunderstorms after 3pm.  Sunny, with a high near 90. Heat index values as high as 102. Southwest wind 9 to 13 mph.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly between 8pm and 1am.  Partly cloudy, with a low around 76. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 76 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 91. West wind 5 to 9 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 75. South wind 3 to 7 mph.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 11am.  Sunny, with a high near 89. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    T-storms

  • Saturday Night

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

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 76.

    Low: 76 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 78. Southwest wind around 8 mph.
Juneteenth
A 20 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 90. Heat index values as high as 102. Southwest wind 9 to 13 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly between 8pm and 1am. Partly cloudy, with a low around 76. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. West wind 5 to 9 mph.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75. South wind 3 to 7 mph.
Saturday
A slight chance of showers, with thunderstorms also possible after 11am. Sunny, with a high near 89. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Sunny, with a high near 90.
Sunday Night
Clear, with a low around 76.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Johns Island SC
 32.73°N 80.07°W (Elev. 23 ft)
3:05 am EDT Jun 19, 2025
3am EDT Jun 19, 2025-6pm EDT Jun 25, 2025
 
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Additional Resources

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