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.
Tonight
69°F
Partly Cloudy then Patchy Fog
Patchy fog after 4am. Partly cloudy, with a low around 69. South wind 0 to 5 mph.
7-day forecast for St. Rose
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 69°F | Partly Cloudy then Patchy Fog | 0 to 5 mph S | 9% |
| Wednesday | 81°F | Chance Rain Showers | 0 to 5 mph W | 25% |
| Wednesday Night | 64°F | Mostly Clear | 0 to 5 mph N | 1% |
| Thursday | 80°F | Sunny | 0 to 5 mph N | 12% |
| Thursday Night | 63°F | Chance Rain Showers | 0 to 5 mph SW | 31% |
| Friday | 78°F | Chance Rain Showers | 5 mph N | 37% |
| Friday Night | 59°F | Partly Cloudy | 0 to 10 mph N | 5% |
| Saturday | 74°F | Mostly Sunny | 5 to 10 mph N | 7% |
| Saturday Night | 54°F | Partly Cloudy then Slight Chance Rain Showers | 5 to 10 mph N | 15% |
| Sunday | 69°F | Mostly Sunny | 5 to 10 mph N | 13% |
| Sunday Night | 52°F | Mostly Clear | 5 to 10 mph N | 5% |
| Monday | 70°F | Sunny | 5 to 10 mph N | 3% |
| Monday Night | 52°F | Mostly Clear | 0 to 5 mph N | 2% |
| Tuesday | 72°F | Sunny | 5 mph NE | 1% |
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
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Des Allemands
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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.