Belle Rose, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Belle Rose, a community in Assumption County, Louisiana.
Tonight
67°F
Mostly Cloudy then Patchy Fog
Patchy fog after 3am. Mostly cloudy, with a low around 67. South wind 0 to 5 mph.
7-day forecast for Belle Rose
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 67°F | Mostly Cloudy then Patchy Fog | 0 to 5 mph S | 14% |
| Wednesday | 79°F | Patchy Fog then Mostly Sunny | 5 mph NW | 16% |
| Wednesday Night | 56°F | Mostly Clear | 0 to 5 mph N | 1% |
| Thursday | 81°F | Sunny | 0 mph | 10% |
| Thursday Night | 59°F | Chance Rain Showers | 0 mph | 30% |
| Friday | 79°F | Chance Rain Showers | 0 to 5 mph N | 32% |
| Friday Night | 54°F | Partly Cloudy | 0 to 5 mph N | 4% |
| Saturday | 75°F | Mostly Sunny | 5 mph N | 6% |
| Saturday Night | 48°F | Partly Cloudy | 5 mph N | 14% |
| Sunday | 69°F | Mostly Sunny | 5 mph N | 9% |
| Sunday Night | 45°F | Mostly Clear | 5 mph N | 5% |
| Monday | 71°F | Sunny | 5 mph N | 3% |
| Monday Night | 44°F | Mostly Clear | 0 mph | 2% |
| Tuesday | 74°F | Sunny | 0 to 5 mph NE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Belle Rose (30.042, -91.050). Updated through the day.
Growing snapshot for Belle Rose
Last spring frost
Feb 21
First fall frost
Dec 5
Growing season
291 days
Hardiness zone
9a
More local growing data for Belle Rose: nearby ZIP 70341 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Donaldsonville 4 Sw, La (4.6 mi from Belle Rose). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.