South Vacherie, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Vacherie, a community in St. James County, Louisiana.
Today
80°F
Mostly Sunny
Mostly sunny. High near 80, with temperatures falling to around 76 in the afternoon. Northwest wind around 5 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for South Vacherie
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Mostly Sunny | 5 mph NW | 9% |
| Tonight | 55°F | Mostly Clear then Patchy Fog | 0 mph | 0% |
| Thursday | 81°F | Sunny | 0 mph | 0% |
| Thursday Night | 60°F | Partly Cloudy | 0 mph | 5% |
| Friday | 79°F | Mostly Sunny | 0 to 5 mph N | 6% |
| Friday Night | 55°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 75°F | Mostly Sunny | 5 mph NE | 1% |
| Saturday Night | 50°F | Partly Cloudy | 5 mph N | 2% |
| Sunday | 68°F | Slight Chance Rain Showers then Mostly Sunny | 5 mph N | 15% |
| Sunday Night | 47°F | Partly Cloudy | 5 mph N | 4% |
| Monday | 69°F | Sunny | 0 to 5 mph N | 6% |
| Monday Night | 46°F | Mostly Clear | 0 mph | 5% |
| Tuesday | 73°F | Sunny | 0 to 5 mph NE | 5% |
| Tuesday Night | 48°F | Partly Cloudy | 0 mph | 3% |
Forecast source: National Weather Service (api.weather.gov) for South Vacherie (29.940, -90.688). Updated through the day.
Growing snapshot for South Vacherie
Last spring frost
Feb 9
First fall frost
Dec 14
Growing season
308 days
Hardiness zone
9b
More local growing data for South Vacherie: nearby ZIP 70090 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Convent
Gramercy
Grand Point
Hester
Kraemer
Lutcher
Moonshine
North Vacherie
Paulina
Pleasure Bend
Romeville
St. James
Union
Welcome
Climate data from the nearest NOAA station, Reserve, La (9.4 mi from South Vacherie). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.