Harman US

Destrehan, LA Weather & Growing Conditions

Overnight
68°F
Patchy Fog
Patchy fog. Partly cloudy. Low around 68, with temperatures rising to around 71 overnight. South wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 68°F Patchy Fog 5 mph S 3%
Wednesday 81°F Chance Rain Showers 0 to 5 mph W 28%
Wednesday Night 61°F Mostly Clear 0 to 5 mph N 0%
Thursday 80°F Sunny 0 to 5 mph N 0%
Thursday Night 63°F Partly Cloudy 0 to 5 mph NW 4%
Friday 79°F Mostly Sunny 0 to 5 mph N 6%
Friday Night 59°F Mostly Clear 0 to 10 mph N 1%
Saturday 74°F Mostly Sunny 5 to 10 mph NE 1%
Saturday Night 54°F Partly Cloudy 5 to 10 mph N 2%
Sunday 68°F Slight Chance Rain Showers then Mostly Sunny 5 to 10 mph N 15%
Sunday Night 51°F Partly Cloudy 5 mph N 5%
Monday 69°F Sunny 0 to 10 mph N 7%
Monday Night 51°F Mostly Clear 0 to 5 mph N 5%
Tuesday 72°F Sunny 0 to 5 mph NE 5%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Destrehan, LA

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

Explore more for Destrehan, LA: full frost dates · planting calendar · Louisiana frost dates

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