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 Index | 91°F (33°C) |
| Last update | 26 Jun 11:15 pm EDT |
Extended Forecast for
Johns Island SC
Tonight

Low: 78 °F
Chance
T-stormsSaturday

High: 92 °F
Mostly Sunny
Saturday Night

Low: 79 °F
Mostly Clear
Sunday
High: 96 °F
Sunny then
Chance
T-stormsSunday Night

Low: 78 °F
Chance
T-stormsMonday
High: 94 °F
Slight Chance
T-storms then
T-storms
LikelyMonday Night
Low: 77 °F
T-storms
Likely then
Chance
T-stormsTuesday

High: 90 °F
Chance
ShowersTuesday Night

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.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Johns Island SC
32.73°N 80.07°W (Elev. 23 ft)
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


