Lockport, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lockport, a town in Lafourche County, Louisiana.
Overnight
69°F
Patchy Fog
Patchy fog. Mostly cloudy. Low around 69, with temperatures rising to around 71 overnight. South wind around 5 mph.
7-day forecast for Lockport
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 69°F | Patchy Fog | 5 mph S | 3% |
| Wednesday | 81°F | Chance Rain Showers | 0 to 5 mph W | 27% |
| Wednesday Night | 59°F | Partly Cloudy then Patchy Fog | 0 to 5 mph NW | 0% |
| Thursday | 81°F | Sunny | 0 mph | 0% |
| Thursday Night | 62°F | Partly Cloudy | 0 to 5 mph W | 6% |
| Friday | 79°F | Partly Sunny | 0 to 10 mph N | 10% |
| Friday Night | 58°F | Mostly Clear | 0 to 10 mph N | 1% |
| Saturday | 75°F | Mostly Sunny | 5 to 10 mph NE | 1% |
| Saturday Night | 53°F | Partly Cloudy | 5 to 10 mph N | 2% |
| Sunday | 68°F | Slight Chance Rain Showers | 5 to 10 mph N | 15% |
| Sunday Night | 49°F | Partly Cloudy | 5 mph N | 5% |
| Monday | 69°F | Sunny | 5 to 10 mph N | 7% |
| Monday Night | 49°F | Mostly Clear | 0 to 5 mph N | 5% |
| Tuesday | 73°F | Sunny | 0 to 5 mph NE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Lockport (29.644, -90.532). Updated through the day.
Growing snapshot for Lockport
Last spring frost
Feb 8
First fall frost
Dec 19
Growing season
311 days
Hardiness zone
9b
More local growing data for Lockport: nearby ZIP 70374 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Bayou Country Club
Bourg
Chackbay
Choctaw
Cut Off
Galliano
Golden Meadow
Lafourche Crossing
Larose
Lockport Heights
Mathews
Raceland
Thibodaux
Climate data from the nearest NOAA station, Galliano, La (15.2 mi from Lockport). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.