Current conditions at
Charleston Executive Airport (KJZI)
Lat: 32.7°NLon: 80°WElev: 16ft.
Fair
81°F
27°C
| Humidity | 89% |
| Wind Speed | Calm |
| Barometer | 29.84 in |
| Dewpoint | 77°F (25°C) |
| Visibility | 10.00 mi |
| Heat Index | 88°F (31°C) |
| Last update | 2 Aug 12:15 am EDT |
Extended Forecast for
3 Miles NW Johns Island SC
Overnight

Low: 77 °F
Chance
T-stormsSunday
High: 90 °F
Showers
Likely then
T-storms
LikelySunday Night
Low: 76 °F
T-storms
Likely then
Showers
LikelyMonday

High: 89 °F
Showers
Monday Night

Low: 76 °F
Showers
LikelyTuesday

High: 90 °F
Showers
LikelyTuesday Night
Low: 78 °F
Chance
Showers then
Chance
T-stormsWednesday

High: 91 °F
Chance
T-stormsWednesday Night
Low: 78 °F
Mostly Cloudy
then Slight
Chance
T-storms
Detailed Forecast
Overnight
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 77. Southwest wind around 6 mph.
Sunday
Showers and thunderstorms likely before noon, then showers likely and possibly a thunderstorm between noon and 2pm, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 90. Heat index values as high as 103. Southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms likely, mainly before 8pm, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 76. Southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and possibly a thunderstorm. High near 89. Heat index values as high as 101. Southwest wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 76. South wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 78.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 78.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 8am. Mostly sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 78.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Friday Night
A chance of thunderstorms. Partly cloudy, with a low around 77. Chance of precipitation is 30%.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles NW Johns Island SC
32.76°N 80.09°W (Elev. 23 ft)
32.76°N 80.09°W (Elev. 23 ft)
8:33 pm EDT Aug 1, 2026
12am EDT Aug 2, 2026-6pm EDT Aug 8, 2026


