Bayou Gauche, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bayou Gauche, a community in St. Charles County, Louisiana.
This Afternoon
92°F
Sunny
Sunny. High near 92, with temperatures falling to around 90 in the afternoon. East wind around 5 mph.
7-day forecast for Bayou Gauche
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 92°F | Sunny | 5 mph E | 2% |
| Tonight | 74°F | Clear | 0 to 5 mph SE | 1% |
| Sunday | 93°F | Sunny | 0 to 5 mph NE | 9% |
| Sunday Night | 75°F | Mostly Clear | 0 to 5 mph SW | 6% |
| Monday | 93°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 22% |
| Monday Night | 76°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 22% |
| Tuesday | 93°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 19% |
| Tuesday Night | 76°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph NE | 19% |
| Wednesday | 92°F | Sunny | 0 to 10 mph NE | 6% |
| Wednesday Night | 76°F | Mostly Clear | 0 to 5 mph E | 6% |
| Thursday | 91°F | Sunny | 5 to 10 mph NE | 3% |
| Thursday Night | 75°F | Mostly Clear | 0 to 5 mph NE | 3% |
| Friday | 89°F | Sunny | 5 to 10 mph NE | 3% |
| Friday Night | 73°F | Mostly Clear | 0 to 5 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Bayou Gauche (29.807, -90.422). Updated through the day.
Growing snapshot for Bayou Gauche
Last spring frost
Jan 30
First fall frost
Dec 31
Growing season
333 days
Hardiness zone
9b
More local growing data for Bayou Gauche: nearby ZIP 70030 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Ama
Boutte
Des Allemands
Destrehan
Hahnville
Killona
Luling
Montz
New Sarpy
Norco
Paradis
St. Rose
Taft
Climate data from the nearest NOAA station, New Orleans Intl Ap, La (16.5 mi from Bayou Gauche). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.