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Bayou L'Ourse, LA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Bayou L'Ourse, a community in Assumption County, Louisiana.

Today
79°F
Mostly Sunny
Mostly sunny. High near 79, with temperatures falling to around 76 in the afternoon. Northwest wind 0 to 5 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Bayou L'Ourse

WhenTempForecastWindPrecip
Today 79°F Mostly Sunny 0 to 5 mph NW 4%
Tonight 56°F Mostly Clear then Patchy Fog 0 mph 0%
Thursday 80°F Sunny 0 mph 0%
Thursday Night 62°F Partly Cloudy 0 mph 8%
Friday 79°F Partly Sunny 0 to 5 mph N 8%
Friday Night 56°F Mostly Clear 0 to 5 mph N 0%
Saturday 75°F Mostly Sunny 5 mph NE 1%
Saturday Night 51°F Partly Cloudy 5 mph N 3%
Sunday 68°F Slight Chance Rain Showers then Mostly Sunny 5 to 10 mph N 15%
Sunday Night 47°F Partly Cloudy 5 mph N 4%
Monday 70°F Sunny 0 to 5 mph N 6%
Monday Night 47°F Mostly Clear 0 mph 5%
Tuesday 73°F Sunny 0 to 5 mph N 4%
Tuesday Night 50°F Partly Cloudy 0 mph 4%

Forecast source: National Weather Service (api.weather.gov) for Bayou L'Ourse (29.717, -91.061). Updated through the day.

Growing snapshot for Bayou L'Ourse

Last spring frost
Jan 30
First fall frost
Jan 1
Growing season
335 days
Hardiness zone
9b

More local growing data for Bayou L'Ourse: nearby ZIP 70380 weather · frost dates · planting calendar · Louisiana frost dates

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Climate data from the nearest NOAA station, Morgan City, La (6.4 mi from Bayou L'Ourse). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.