Current conditions at
Charleston Executive Airport (KJZI)
Lat: 32.7°NLon: 80°WElev: 16ft.
A Few Clouds
79°F
26°C
| Humidity | 84% |
| Wind Speed | Calm |
| Barometer | 29.98 in |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 83°F (28°C) |
| Last update | 29 Jun 5:55 am EDT |
Extended Forecast for
Johns Island SC
Today
High: 95 °F
Sunny then
Chance
T-stormsTonight
Low: 78 °F
Mostly Clear
Tuesday
High: 91 °F
Sunny
Tuesday Night
Low: 76 °F
Mostly Clear
Wednesday
High: 91 °F
Sunny
Wednesday Night
Low: 75 °F
Mostly Clear
Thursday
High: 91 °F
Sunny
Thursday Night
Low: 77 °F
Mostly Clear
Friday
High: 91 °F
Sunny
Detailed Forecast
Today
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 95. Heat index values as high as 106. West wind 5 to 8 mph becoming northeast in the afternoon.
Tonight
Mostly clear, with a low around 78. Southeast wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 91. Heat index values as high as 102. Northeast wind 7 to 11 mph.
Tuesday Night
Mostly clear, with a low around 76. East wind 5 to 9 mph becoming light after midnight.
Wednesday
Sunny, with a high near 91. Northeast wind 6 to 13 mph becoming east in the afternoon.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 77.
Friday
Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 78.
Independence Day
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 80.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Johns Island SC
32.71°N 80.07°W (Elev. 10 ft)
32.71°N 80.07°W (Elev. 10 ft)
2:40 am EDT Jun 29, 2026
6am EDT Jun 29, 2026-6pm EDT Jul 5, 2026
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