Laplace, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Laplace, a community in St. John The Baptist County, Louisiana.
Overnight
73°F
Clear
Clear. Low around 73, with temperatures rising to around 75 overnight. Wind around 0 mph.
7-day forecast for Laplace
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 73°F | Clear | 0 mph | 0% |
| Saturday | 94°F | Sunny | 0 to 5 mph NE | 2% |
| Saturday Night | 74°F | Clear | 0 to 5 mph SW | 2% |
| Sunday | 95°F | Sunny | 0 to 5 mph NE | 6% |
| Sunday Night | 76°F | Mostly Clear | 0 mph | 3% |
| Monday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 16% |
| Monday Night | 76°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 16% |
| Tuesday | 94°F | Sunny | 0 to 5 mph NE | 12% |
| Tuesday Night | 76°F | Mostly Clear | 0 to 5 mph E | 12% |
| Wednesday | 93°F | Sunny | 0 to 10 mph NE | 5% |
| Wednesday Night | 75°F | Slight Chance Rain Showers | 0 to 5 mph NE | 15% |
| Thursday | 91°F | Sunny | 5 to 10 mph NE | 5% |
| Thursday Night | 74°F | Mostly Clear | 5 mph NE | 5% |
| Friday | 89°F | Sunny | 5 to 10 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Laplace (30.072, -90.477). Updated through the day.
Growing snapshot for Laplace
Last spring frost
Feb 9
First fall frost
Dec 14
Growing season
308 days
Hardiness zone
9b
More local growing data for Laplace: nearby ZIP 70068 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Reserve, La (11 mi from Laplace). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.