Napoleonville, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Napoleonville, a village in Assumption County, Louisiana.
This Afternoon
92°F
Sunny
Sunny. High near 92, with temperatures falling to around 90 in the afternoon. Northeast wind 5 to 10 mph.
7-day forecast for Napoleonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 92°F | Sunny | 5 to 10 mph NE | 0% |
| Tonight | 71°F | Clear | 0 to 5 mph E | 0% |
| Saturday | 94°F | Sunny | 0 to 5 mph E | 3% |
| Saturday Night | 73°F | Clear | 0 mph | 2% |
| Sunday | 95°F | Sunny | 0 mph | 14% |
| Sunday Night | 75°F | Mostly Clear | 0 mph | 14% |
| Monday | 95°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph NE | 36% |
| Monday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 36% |
| Tuesday | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 18% |
| Tuesday Night | 75°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 18% |
| Wednesday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 17% |
| Wednesday Night | 74°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph NE | 17% |
| Thursday | 92°F | Sunny | 5 to 10 mph NE | 10% |
| Thursday Night | 72°F | Mostly Clear | 0 to 5 mph NE | 10% |
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 Sep 18, 2026.