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Galliano, LA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Galliano, a community in Lafourche County, Louisiana.

Tonight
68°F
Mostly Cloudy then Patchy Fog
Patchy fog after 4am. Mostly cloudy, with a low around 68. South wind around 0 mph.

7-day forecast for Galliano

WhenTempForecastWindPrecip
Tonight 68°F Mostly Cloudy then Patchy Fog 0 mph 5%
Wednesday 82°F Slight Chance Rain Showers 0 to 5 mph W 18%
Wednesday Night 62°F Partly Cloudy 0 mph 1%
Thursday 80°F Mostly Sunny 0 to 5 mph W 9%
Thursday Night 62°F Mostly Cloudy then Chance Rain Showers 0 mph 30%
Friday 79°F Chance Rain Showers 0 to 5 mph N 39%
Friday Night 57°F Partly Cloudy 0 to 5 mph N 13%
Saturday 76°F Partly Sunny 5 to 10 mph NE 10%
Saturday Night 52°F Partly Cloudy then Slight Chance Rain Showers 5 to 10 mph N 15%
Sunday 70°F Slight Chance Rain Showers 10 mph N 19%
Sunday Night 50°F Mostly Clear 5 to 10 mph N 5%
Monday 71°F Sunny 5 to 10 mph N 4%
Monday Night 50°F Mostly Clear 0 to 5 mph NE 2%
Tuesday 74°F Sunny then Slight Chance Rain Showers 5 mph E 15%

Forecast source: National Weather Service (api.weather.gov) for Galliano (29.446, -90.308). Updated through the day.

Growing snapshot for Galliano

Last spring frost
Feb 8
First fall frost
Dec 19
Growing season
311 days
Hardiness zone
9b

More local growing data for Galliano: nearby ZIP 70354 weather · frost dates · planting calendar · Louisiana frost dates

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Climate data from the nearest NOAA station, Galliano, La (3.1 mi from Galliano). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.