Hazardous Weather Conditions
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 | 29.97 in |
| Dewpoint | 77°F (25°C) |
| Visibility | 10.00 mi |
| Heat Index | 88°F (31°C) |
| Last update | 21 Aug 3:55 am EDT |
Extended Forecast for
Charleston SC
Heat Advisory August 21, 11:00am until August 21, 08:00pm
Today
High: 95 °F
Sunny then
Slight Chance
T-stormsTonight
Low: 77 °F
Chance
T-stormsSaturday
High: 91 °F
Chance
Showers then
Showers
LikelySaturday Night
Low: 76 °F
Showers
LikelySunday
High: 94 °F
Sunny
Sunday Night
Low: 76 °F
Mostly Clear
Monday
High: 93 °F
Sunny
Monday Night
Low: 75 °F
Partly Cloudy
Tuesday
High: 91 °F
Chance
T-storms
Detailed Forecast
Today
A slight chance of showers and thunderstorms between 1pm and 5pm. Sunny, with a high near 95. Heat index values as high as 110. Light southwest wind becoming south 6 to 11 mph in the afternoon. Chance of precipitation is 20%.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 9pm. Mostly cloudy, with a low around 77. South wind 5 to 9 mph.
Saturday
A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 91. Heat index values as high as 103. Light west wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 76. Southwest wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Sunny, with a high near 94. West wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny, with a high near 93.
Monday Night
Partly cloudy, with a low around 75.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 91.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Additional Forecasts and Information
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Point Forecast:
Charleston SC
32.79°N 80.01°W (Elev. 10 ft)
32.79°N 80.01°W (Elev. 10 ft)
2:45 am EDT Aug 21, 2026
4am EDT Aug 21, 2026-6pm EDT Aug 27, 2026
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