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
71°F
Clear
Clear, with a low around 71. East wind 0 to 5 mph.
7-day forecast for Belle Rose
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Clear | 0 to 5 mph E | 0% |
| Saturday | 95°F | Sunny | 0 to 5 mph NE | 2% |
| Saturday Night | 73°F | Clear | 0 to 5 mph SE | 2% |
| Sunday | 95°F | Sunny | 0 mph | 10% |
| Sunday Night | 75°F | Mostly Clear | 0 mph | 10% |
| Monday | 95°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph NE | 34% |
| Monday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 34% |
| Tuesday | 96°F | Sunny | 0 to 5 mph NE | 14% |
| Tuesday Night | 75°F | Mostly Clear | 0 to 5 mph E | 14% |
| Wednesday | 95°F | Sunny | 0 to 10 mph NE | 13% |
| Wednesday Night | 74°F | Mostly Clear | 0 to 5 mph NE | 13% |
| Thursday | 93°F | Sunny | 5 to 10 mph NE | 9% |
| Thursday Night | 73°F | Mostly Clear | 0 to 5 mph NE | 9% |
| Friday | 91°F | Sunny | 5 to 10 mph NE | 4% |
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 Sep 19, 2026.