Harman US

Belle Rose, LA Weather & Growing Conditions

Overnight
67°F
Chance Rain Showers
Patchy fog before 5am, then a chance of rain showers and patchy fog. Mostly cloudy. Low around 67, with temperatures rising to around 70 overnight. Southwest wind around 0 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 67°F Chance Rain Showers 0 mph 25%
Wednesday 78°F Patchy Fog then Mostly Sunny 5 mph NW 22%
Wednesday Night 54°F Mostly Clear then Patchy Fog 0 mph 0%
Thursday 80°F Sunny 0 to 5 mph NW 0%
Thursday Night 60°F Partly Cloudy 0 mph 6%
Friday 79°F Mostly Sunny 0 to 5 mph N 5%
Friday Night 54°F Mostly Clear 0 to 5 mph N 0%
Saturday 74°F Mostly Sunny 5 mph NE 1%
Saturday Night 49°F Partly Cloudy 5 mph N 3%
Sunday 68°F Slight Chance Rain Showers 5 mph N 15%
Sunday Night 45°F Slight Chance Rain Showers then Partly Cloudy 0 to 5 mph N 15%
Monday 69°F Sunny 0 to 5 mph N 4%
Monday Night 45°F Mostly Clear 0 mph 5%
Tuesday 73°F Sunny 0 to 5 mph N 4%

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

Growing snapshot for Belle Rose, LA

Last spring frost
Feb 21
First fall frost
Dec 5
Growing season
291 days
Hardiness zone
9a

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

Climate data from the nearest NOAA station, Donaldsonville 4 Sw, La (4.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.