St. Rose, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Rose, a community in St. Charles County, Louisiana.
This Afternoon
90°F
Sunny
Sunny. High near 90, with temperatures falling to around 88 in the afternoon. Northeast wind around 10 mph.
7-day forecast for St. Rose
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 90°F | Sunny | 10 mph NE | 0% |
| Tonight | 75°F | Clear | 0 to 5 mph E | 0% |
| Saturday | 94°F | Sunny | 0 to 5 mph NE | 3% |
| Saturday Night | 75°F | Clear | 0 to 5 mph S | 2% |
| Sunday | 94°F | Sunny | 0 to 5 mph N | 5% |
| Sunday Night | 77°F | Mostly Clear | 0 mph | 5% |
| Monday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 5 mph N | 22% |
| Monday Night | 77°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 22% |
| Tuesday | 94°F | Sunny | 0 to 10 mph N | 14% |
| Tuesday Night | 77°F | Mostly Clear | 0 to 5 mph E | 14% |
| Wednesday | 93°F | Sunny | 5 to 10 mph NE | 11% |
| Wednesday Night | 77°F | Mostly Clear | 0 to 10 mph NE | 11% |
| Thursday | 90°F | Sunny | 10 to 15 mph NE | 9% |
| Thursday Night | 76°F | Mostly Clear | 5 to 10 mph NE | 9% |
Forecast source: National Weather Service (api.weather.gov) for St. Rose (29.963, -90.308). Updated through the day.
Growing snapshot for St. Rose
Last spring frost
Jan 30
First fall frost
Dec 31
Growing season
333 days
Hardiness zone
9b
More local growing data for St. Rose: nearby ZIP 70031 weather · frost dates · planting calendar · Louisiana frost dates
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Climate data from the nearest NOAA station, New Orleans Intl Ap, La (4.3 mi from St. Rose). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.