Belle Chasse, LA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Belle Chasse, a community in Jefferson County, Louisiana.

Today

81°F

Chance Rain Showers

Patchy fog before 9am, then a chance of rain showers between 9am and 4pm. Mostly sunny. High near 81, with temperatures falling to around 78 in the afternoon. Southwest wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Belle Chasse

When	Temp	Forecast	Wind	Precip
Today	81°F	Chance Rain Showers	5 to 10 mph SW	45%
Tonight	63°F	Patchy Fog	0 to 5 mph N	1%
Thursday	80°F	Sunny	0 to 5 mph N	0%
Thursday Night	66°F	Partly Cloudy	0 to 5 mph W	4%
Friday	77°F	Partly Sunny	5 to 10 mph N	8%
Friday Night	59°F	Mostly Clear	5 to 10 mph N	1%
Saturday	73°F	Mostly Sunny	5 to 10 mph N	1%
Saturday Night	54°F	Partly Cloudy	5 to 10 mph N	1%
Sunday	67°F	Slight Chance Rain Showers then Mostly Sunny	5 to 10 mph N	15%
Sunday Night	52°F	Partly Cloudy	5 to 10 mph N	6%
Monday	69°F	Sunny	5 to 10 mph N	7%
Monday Night	52°F	Mostly Clear	0 to 5 mph N	5%
Tuesday	71°F	Sunny	5 mph NE	6%
Tuesday Night	53°F	Partly Cloudy	0 to 5 mph NE	4%

Forecast source: National Weather Service (api.weather.gov) for Belle Chasse (29.859, -90.003). Updated through the day.

Growing snapshot for Belle Chasse

Last spring frost

Feb 1

First fall frost

Dec 31

Growing season

330 days

Hardiness zone

More local growing data for Belle Chasse: nearby ZIP 70056 weather · frost dates · planting calendar · Louisiana frost dates

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Climate data from the nearest NOAA station, Terrytown 3S, La (1.6 mi from Belle Chasse). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.