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.
Today
81°F
Slight Chance Rain Showers
A slight chance of rain showers before 1pm. Mostly sunny. High near 81, with temperatures falling to around 78 in the afternoon. West wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Bayou Gauche
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Slight Chance Rain Showers | 5 mph W | 19% |
| Tonight | 60°F | Mostly Clear | 0 to 5 mph NW | 1% |
| Thursday | 81°F | Sunny | 0 mph | 0% |
| Thursday Night | 62°F | Mostly Clear | 0 to 5 mph W | 5% |
| Friday | 78°F | Mostly Sunny | 0 to 10 mph N | 8% |
| Friday Night | 58°F | Mostly Clear | 0 to 10 mph N | 1% |
| Saturday | 74°F | Mostly Sunny | 5 to 10 mph N | 1% |
| Saturday Night | 53°F | Partly Cloudy | 5 to 10 mph N | 2% |
| Sunday | 67°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 10 mph N | 15% |
| Sunday Night | 50°F | Partly Cloudy | 5 mph N | 5% |
| Monday | 69°F | Sunny | 5 to 10 mph N | 7% |
| Monday Night | 50°F | Mostly Clear | 0 to 5 mph N | 5% |
| Tuesday | 72°F | Sunny | 5 mph NE | 6% |
| Tuesday Night | 51°F | Partly Cloudy | 0 mph | 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 Nov 4, 2026.