Harman US

Destrehan, LA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Destrehan, a community in St. Charles County, Louisiana.

Today
94°F
Sunny
Sunny, with a high near 94. North wind 0 to 5 mph.

7-day forecast for Destrehan

WhenTempForecastWindPrecip
Today 94°F Sunny 0 to 5 mph N 11%
Tonight 77°F Mostly Clear 0 to 5 mph SW 7%
Wednesday 95°F Sunny then Chance Showers And Thunderstorms 0 to 5 mph W 34%
Wednesday Night 77°F Mostly Clear 0 to 5 mph SW 7%
Thursday 94°F Sunny then Chance Showers And Thunderstorms 0 to 5 mph SE 33%
Thursday Night 77°F Chance Showers And Thunderstorms then Mostly Clear 0 to 5 mph E 33%
Friday 93°F Sunny then Chance Showers And Thunderstorms 0 to 10 mph E 25%
Friday Night 78°F Chance Showers And Thunderstorms 0 to 5 mph E 25%
Saturday 93°F Chance Showers And Thunderstorms 0 to 5 mph E 38%
Saturday Night 77°F Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph SE 38%
Sunday 92°F Showers And Thunderstorms Likely 0 to 5 mph E 60%
Sunday Night 78°F Showers And Thunderstorms Likely 0 to 5 mph SE 60%
Monday 92°F Showers And Thunderstorms Likely 0 to 5 mph SE 66%
Monday Night 77°F Showers And Thunderstorms Likely 0 to 5 mph S 66%

Forecast source: National Weather Service (api.weather.gov) for Destrehan (29.972, -90.354). Updated through the day.

Growing snapshot for Destrehan

Last spring frost
Jan 30
First fall frost
Dec 31
Growing season
333 days
Hardiness zone
9b

More local growing data for Destrehan: nearby ZIP 70047 weather · frost dates · planting calendar · Louisiana frost dates

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Climate data from the nearest NOAA station, New Orleans Intl Ap, La (6.3 mi from Destrehan). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.