


Current conditions at
Charleston Executive Airport (KJZI)
Lat: 32.7°NLon: 80°WElev: 16ft.
Fair
28°C
82°F
Humidity | 89% |
Wind Speed | SW 6 km/h |
Barometer | 30.15 in |
Dewpoint | 26°C (79°F) |
Visibility | 16 km |
Heat Index | 33°C (91°F) |
Last update | 18 Jul 9:55 pm EDT |
Extended Forecast for
Johns Island SC
Tonight
Low: 26 °C
Mostly Clear
Saturday
High: 36 °C
Sunny
Saturday Night
Low: 27 °C
Mostly Clear
Sunday
High: 36 °C
Sunny
Sunday Night
Low: 27 °C
Slight Chance
T-stormsMonday
High: 36 °C
Mostly Sunny
then Chance
T-stormsMonday Night
Low: 25 °C
Chance
T-stormsTuesday
High: 32 °C
T-storms
LikelyTuesday Night
Low: 25 °C
T-storms
Likely
Detailed Forecast
Tonight
Mostly clear, with a low around 26. Southwest wind around 11 km/h.
Saturday
Sunny, with a high near 36. Heat index values as high as 43. Southwest wind 10 to 16 km/h.
Saturday Night
Mostly clear, with a low around 27. Southwest wind 13 to 16 km/h.
Sunday
Sunny, with a high near 36. Heat index values as high as 43. West wind 11 to 18 km/h, with gusts as high as 32 km/h.
Sunday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 27. Southwest wind 10 to 14 km/h.
Monday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 36.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 25.
Tuesday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 32. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 31.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 25.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 32.
Thursday Night
Partly cloudy, with a low around 25.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 33.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Johns Island SC
32.73°N 80.07°W (Elev. 23 m)
32.73°N 80.07°W (Elev. 23 m)
8:32 pm EDT Jul 18, 2025
10pm EDT Jul 18, 2025-6pm EDT Jul 25, 2025