Port Barre, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Port Barre, a town in St. Landry County, Louisiana.
Overnight
61°F
Mostly Cloudy
Mostly cloudy, with a low around 61. North wind around 5 mph. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Port Barre
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Mostly Cloudy | 5 mph N | 6% |
| Wednesday | 75°F | Mostly Sunny | 5 to 10 mph NW | 3% |
| Wednesday Night | 50°F | Mostly Clear then Patchy Fog | 0 to 5 mph N | 0% |
| Thursday | 77°F | Sunny | 0 mph | 0% |
| Thursday Night | 54°F | Partly Cloudy | 0 mph | 2% |
| Friday | 79°F | Sunny | 0 to 10 mph N | 1% |
| Friday Night | 51°F | Mostly Clear | 5 mph N | 1% |
| Saturday | 72°F | Mostly Sunny | 5 to 15 mph N | 1% |
| Saturday Night | 45°F | Partly Cloudy | 5 to 10 mph N | 3% |
| Sunday | 66°F | Mostly Sunny | 5 to 10 mph N | 5% |
| Sunday Night | 42°F | Partly Cloudy | 0 to 5 mph N | 4% |
| Monday | 69°F | Sunny | 5 mph N | 3% |
| Monday Night | 42°F | Mostly Clear | 0 mph | 1% |
| Tuesday | 73°F | Sunny | 0 to 5 mph N | 3% |
Forecast source: National Weather Service (api.weather.gov) for Port Barre (30.556, -91.956). Updated through the day.
Growing snapshot for Port Barre
Last spring frost
Feb 28
First fall frost
Nov 23
Growing season
267 days
Hardiness zone
9a
More local growing data for Port Barre: nearby ZIP 70577 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Arnaudville
Cankton
Grand Coteau
Krotz Springs
Lawtell
Lebeau
Leonville
Melville
Morrow
Opelousas
Palmetto
Sunset
Washington
Climate data from the nearest NOAA station, Grand Coteau, La (11.7 mi from Port Barre). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.