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.
This Afternoon
91°F
Sunny
Sunny. High near 91, with temperatures falling to around 89 in the afternoon. Northeast wind 5 to 10 mph.
7-day forecast for South Vacherie
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 91°F | Sunny | 5 to 10 mph NE | 0% |
| Tonight | 71°F | Clear | 0 to 5 mph E | 0% |
| Saturday | 94°F | Sunny | 0 to 5 mph NE | 3% |
| Saturday Night | 73°F | Clear | 0 mph | 2% |
| Sunday | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 15% |
| Sunday Night | 75°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 15% |
| Monday | 94°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph N | 32% |
| Monday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 32% |
| Tuesday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 17% |
| Tuesday Night | 74°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 17% |
| Wednesday | 93°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph NE | 15% |
| Wednesday Night | 74°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph NE | 15% |
| Thursday | 90°F | Sunny | 5 to 10 mph NE | 9% |
| Thursday Night | 72°F | Mostly Clear | 0 to 5 mph NE | 9% |
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 Sep 18, 2026.