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.

Fair

75°F

24°C

Humidity 100%
Wind Speed SW 5 mph
Barometer 30.07 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Last update 2 Aug 1:35 am EDT
Extended Forecast for

Johns Island SC

  • Overnight

    Overnight: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. West wind around 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 75 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 85. North wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 85 °F

    Chance
    T-storms then
    Heavy Rain

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 72. Northeast wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 72 °F

    Heavy Rain
    then Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 82. Northeast wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 82 °F

    Showers
    Likely then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 73. Northeast wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 73 °F

    T-storms
    Likely then
    Showers
    Likely

  • Monday

    Monday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Showers
    Likely then
    T-storms
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.

    Low: 75 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 88. Chance of precipitation is 70%.

    High: 88 °F

    Showers
    Likely then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.

    Low: 75 °F

    T-storms
    Likely then
    Showers
    Likely

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. West wind around 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 85. North wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 72. Northeast wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday
Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 82. Northeast wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 73. Northeast wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.
Tuesday
Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 88. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 88. Chance of precipitation is 70%.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 89. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Johns Island SC
 32.71°N 80.07°W (Elev. 10 ft)
Last Update:
6:20 pm EDT Aug 1, 2025
Forecast Valid:
1am EDT Aug 2, 2025-6pm EDT Aug 8, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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