Lockport, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lockport, a town in Lafourche County, Louisiana.
This Afternoon
92°F
Sunny
Sunny. High near 92, with temperatures falling to around 90 in the afternoon. East wind around 5 mph.
7-day forecast for Lockport
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 92°F | Sunny | 5 mph E | 2% |
| Tonight | 74°F | Clear | 0 to 5 mph SE | 1% |
| Sunday | 92°F | Sunny | 0 to 5 mph NE | 10% |
| Sunday Night | 75°F | Mostly Clear | 0 to 5 mph SW | 2% |
| Monday | 92°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph NE | 31% |
| Monday Night | 75°F | Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 31% |
| Tuesday | 92°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 22% |
| Tuesday Night | 75°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph NE | 22% |
| Wednesday | 92°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph NE | 19% |
| Wednesday Night | 75°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph NE | 19% |
| Thursday | 90°F | Sunny | 5 to 10 mph NE | 14% |
| Thursday Night | 73°F | Mostly Clear | 0 to 5 mph NE | 14% |
| Friday | 89°F | Sunny | 5 to 10 mph NE | 7% |
| Friday Night | 71°F | Partly Cloudy | 0 to 5 mph NE | 7% |
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 Sep 19, 2026.