Port Allen, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Port Allen, a city in East Baton Rouge County, Louisiana.
Overnight
72°F
Clear
Clear, with a low around 72. Southeast wind around 0 mph.
7-day forecast for Port Allen
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 72°F | Clear | 0 mph | 0% |
| Saturday | 96°F | Sunny | 0 to 5 mph NE | 1% |
| Saturday Night | 74°F | Clear | 0 to 5 mph SW | 2% |
| Sunday | 96°F | Sunny | 0 mph | 3% |
| Sunday Night | 76°F | Mostly Clear | 0 mph | 2% |
| Monday | 96°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 16% |
| Monday Night | 75°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 16% |
| Tuesday | 96°F | Sunny | 0 to 5 mph N | 14% |
| Tuesday Night | 75°F | Mostly Clear | 0 to 5 mph E | 14% |
| Wednesday | 95°F | Sunny | 0 to 10 mph N | 4% |
| Wednesday Night | 74°F | Mostly Clear | 5 mph NE | 4% |
| Thursday | 93°F | Sunny | 5 to 10 mph NE | 4% |
| Thursday Night | 71°F | Mostly Clear | 5 mph NE | 4% |
| Friday | 92°F | Sunny | 5 to 10 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Port Allen (30.444, -91.207). Updated through the day.
Growing snapshot for Port Allen
Last spring frost
Feb 28
First fall frost
Nov 26
Growing season
272 days
Hardiness zone
9a
More local growing data for Port Allen: nearby ZIP 70825 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Baker
Baton Rouge
Brownfields
Central
Denham Springs
Gardere
Inniswold
Merrydale
Monticello
Oak Hills Place
Old Jefferson
Shenandoah
Village St. George
Westminster
Zachary
Climate data from the nearest NOAA station, Lsu Ben-Hur Farm, La (6.2 mi from Port Allen). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.