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.
Today
95°F
Sunny
Sunny. High near 95, with temperatures falling to around 93 in the afternoon. Northwest wind 0 to 5 mph.
7-day forecast for Laplace
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 95°F | Sunny | 0 to 5 mph NW | 7% |
| Tonight | 77°F | Mostly Clear | 0 to 5 mph SW | 7% |
| Wednesday | 96°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 29% |
| Wednesday Night | 75°F | Mostly Clear | 0 to 5 mph SW | 7% |
| Thursday | 95°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SE | 31% |
| Thursday Night | 75°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph S | 31% |
| Friday | 93°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 21% |
| Friday Night | 76°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 21% |
| Saturday | 93°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 30% |
| Saturday Night | 76°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 30% |
| Sunday | 93°F | Showers And Thunderstorms Likely | 0 to 5 mph E | 57% |
| Sunday Night | 76°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 to 5 mph SE | 57% |
| Monday | 93°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 66% |
| Monday Night | 76°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 66% |
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 Aug 4, 2026.