Hazardous Weather Conditions
Current conditions at
Charleston Executive Airport (KJZI)
Lat: 32.7°NLon: 80°WElev: 16ft.
Thunderstorm in Vicinity
93°F
34°C
| Humidity | 63% |
| Wind Speed | S 10 mph |
| Barometer | 30.02 in |
| Dewpoint | 79°F (26°C) |
| Visibility | 10.00 mi |
| Heat Index | 110°F (43°C) |
| Last update | 11 Aug 2:55 pm EDT |
Extended Forecast for
Johns Island SC
Heat Advisory August 12, 11:00am until August 12, 08:00pm
Heat Advisory August 11, 03:13pm until August 11, 08:00pm
NOW until 8:00pm Tue
Heat Advisory
This Afternoon
High: 95 °F
Chance
T-stormsTonight
Low: 79 °F
Partly Cloudy
Wednesday
High: 96 °F
Sunny
Wednesday Night
Low: 80 °F
Mostly Clear
Thursday
High: 96 °F
Sunny
Thursday Night
Low: 81 °F
Partly Cloudy
Friday
High: 97 °F
Mostly Sunny
Friday Night
Low: 81 °F
Partly Cloudy
Detailed Forecast
This Afternoon
A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 95. Heat index values as high as 110. Southwest wind around 8 mph.
Tonight
Partly cloudy, with a low around 79. Southwest wind 6 to 8 mph.
Wednesday
Sunny, with a high near 96. Heat index values as high as 109. West wind around 8 mph.
Wednesday Night
Mostly clear, with a low around 80. Southwest wind 5 to 8 mph.
Thursday
Sunny, with a high near 96. West wind 5 to 9 mph.
Thursday Night
Partly cloudy, with a low around 81.
Friday
Mostly sunny, with a high near 97.
Friday Night
Partly cloudy, with a low around 81.
Saturday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.
Saturday Night
A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 79.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 80.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 80.
Tuesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 96.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Johns Island SC
32.71°N 80.1°W (Elev. 3 ft)
32.71°N 80.1°W (Elev. 3 ft)
2:35 pm EDT Aug 11, 2026
3pm EDT Aug 11, 2026-6pm EDT Aug 18, 2026
Additional Resources
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Hourly Weather Forecast
