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.
Overnight
68°F
Patchy Fog
Patchy fog after 3am. Mostly cloudy. Low around 68, with temperatures rising to around 71 overnight. South wind 0 to 5 mph.
7-day forecast for St. Rose
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 68°F | Patchy Fog | 0 to 5 mph S | 2% |
| Wednesday | 80°F | Chance Rain Showers | 0 to 5 mph W | 28% |
| Wednesday Night | 62°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Thursday | 79°F | Sunny | 0 to 5 mph N | 0% |
| Thursday Night | 64°F | Partly Cloudy | 0 to 5 mph W | 4% |
| Friday | 78°F | Mostly Sunny | 0 to 5 mph N | 6% |
| Friday Night | 59°F | Mostly Clear | 0 to 10 mph N | 1% |
| Saturday | 74°F | Mostly Sunny | 5 to 10 mph N | 1% |
| Saturday Night | 54°F | Partly Cloudy | 5 to 10 mph N | 2% |
| Sunday | 68°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 | 5% |
| Monday | 69°F | Sunny | 5 to 10 mph N | 7% |
| Monday Night | 52°F | Mostly Clear | 0 to 5 mph N | 5% |
| Tuesday | 72°F | Sunny | 0 to 5 mph NE | 5% |
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
Nearby towns & communities
Ama
Bayou Gauche
Boutte
Des Allemands
Destrehan
Hahnville
Killona
Luling
Montz
New Sarpy
Norco
Paradis
Taft
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 Nov 4, 2026.