Lockport, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lockport, a town in Lafourche County, Louisiana.
Today
92°F
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 1pm and 3pm. Sunny. High near 92, with temperatures falling to around 89 in the afternoon. West wind 0 to 5 mph. Chance of precipitation is 20%.
7-day forecast for Lockport
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 92°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 16% |
| Tonight | 77°F | Mostly Clear | 0 to 5 mph SW | 8% |
| Wednesday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 43% |
| Wednesday Night | 76°F | Mostly Clear | 0 to 5 mph SW | 7% |
| Thursday | 91°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SE | 44% |
| Thursday Night | 76°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SE | 44% |
| Friday | 91°F | Sunny then Chance Showers And Thunderstorms | 0 to 10 mph E | 37% |
| Friday Night | 76°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 37% |
| Saturday | 90°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 50% |
| Saturday Night | 77°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 50% |
| Sunday | 90°F | Showers And Thunderstorms Likely | 0 to 5 mph E | 62% |
| Sunday Night | 77°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 62% |
| Monday | 90°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 61% |
| Monday Night | 77°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 to 5 mph S | 61% |
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 Aug 4, 2026.