Napoleonville, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Napoleonville, a village in Assumption County, Louisiana.
Overnight
74°F
Mostly Clear
Mostly clear, with a low around 74. Northwest wind around 0 mph.
7-day forecast for Napoleonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 74°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 95°F | Sunny | 0 mph | 12% |
| Tuesday Night | 76°F | Mostly Clear | 0 mph | 7% |
| Wednesday | 95°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 34% |
| Wednesday Night | 75°F | Mostly Clear | 0 to 5 mph S | 12% |
| Thursday | 94°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SE | 46% |
| Thursday Night | 74°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph E | 46% |
| Friday | 94°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph E | 38% |
| Friday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 38% |
| Saturday | 93°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 43% |
| Saturday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 43% |
| Sunday | 93°F | Showers And Thunderstorms Likely | 0 to 5 mph E | 67% |
| Sunday Night | 75°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 67% |
| Monday | 92°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 74% |
Forecast source: National Weather Service (api.weather.gov) for Napoleonville (29.938, -91.026). Updated through the day.
Growing snapshot for Napoleonville
Last spring frost
Feb 21
First fall frost
Dec 5
Growing season
291 days
Hardiness zone
9b
More local growing data for Napoleonville: nearby ZIP 70390 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Donaldsonville 4 Sw, La (12.6 mi from Napoleonville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.