Galliano, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Galliano, a community in Lafourche County, Louisiana.
Overnight
68°F
Patchy Fog
Patchy fog after 4am. Mostly cloudy. Low around 68, with temperatures rising to around 71 overnight. South wind 0 to 5 mph.
7-day forecast for Galliano
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 68°F | Patchy Fog | 0 to 5 mph S | 2% |
| Wednesday | 83°F | Chance Rain Showers | 5 mph SW | 29% |
| Wednesday Night | 59°F | Partly Cloudy | 0 mph | 1% |
| Thursday | 81°F | Sunny | 0 to 5 mph W | 0% |
| Thursday Night | 63°F | Partly Cloudy | 0 to 5 mph W | 5% |
| Friday | 79°F | Partly Sunny | 5 to 10 mph N | 12% |
| Friday Night | 57°F | Partly Cloudy | 0 to 10 mph N | 1% |
| Saturday | 76°F | Mostly Sunny | 5 to 10 mph NE | 1% |
| Saturday Night | 53°F | Partly Cloudy | 5 to 10 mph NE | 2% |
| Sunday | 69°F | Slight Chance Rain Showers | 5 to 10 mph N | 15% |
| Sunday Night | 50°F | Partly Cloudy | 5 to 10 mph N | 5% |
| Monday | 71°F | Sunny | 5 to 10 mph N | 7% |
| Monday Night | 50°F | Partly Cloudy | 0 to 5 mph N | 6% |
| Tuesday | 73°F | Sunny | 5 mph NE | 6% |
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
Nearby towns & communities
Bayou Country Club
Bourg
Chackbay
Choctaw
Cut Off
Golden Meadow
Lafourche Crossing
Larose
Lockport
Lockport Heights
Mathews
Raceland
Thibodaux
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.