Harman US

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.

Overnight
68°F
Patchy Fog
Patchy fog after 3am. Partly cloudy. Low around 68, with temperatures rising to around 72 overnight. South wind around 5 mph.

7-day forecast for Bayou Gauche

WhenTempForecastWindPrecip
Overnight 68°F Patchy Fog 5 mph S 3%
Wednesday 81°F Chance Rain Showers 0 to 5 mph W 29%
Wednesday Night 60°F Partly Cloudy then Patchy Fog 0 to 5 mph NW 0%
Thursday 81°F Sunny 0 to 5 mph NW 0%
Thursday Night 62°F Partly Cloudy 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%

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

All Louisiana locations ›

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.