Port Barre, LA Weather & Growing Conditions
Overnight
70°F
Clear
Clear, with a low around 70. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 70°F | Clear | 0 mph | 0% |
| Saturday | 96°F | Sunny | 0 to 5 mph E | 1% |
| Saturday Night | 72°F | Clear | 0 to 5 mph S | 1% |
| Sunday | 97°F | Sunny | 0 to 5 mph E | 2% |
| Sunday Night | 74°F | Mostly Clear | 0 to 5 mph SW | 2% |
| Monday | 97°F | Mostly Sunny | 0 to 5 mph N | 12% |
| Monday Night | 74°F | Partly Cloudy | 0 mph | 12% |
| Tuesday | 98°F | Sunny | 0 to 5 mph N | 10% |
| Tuesday Night | 74°F | Mostly Clear | 0 to 5 mph E | 10% |
| Wednesday | 97°F | Sunny | 0 to 10 mph NE | 4% |
| Wednesday Night | 73°F | Mostly Clear | 0 to 10 mph NE | 4% |
| Thursday | 94°F | Sunny | 5 to 10 mph NE | 2% |
| Thursday Night | 71°F | Mostly Clear | 5 to 10 mph NE | 2% |
| Friday | 93°F | Sunny | 5 to 10 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Port Barre, LA
Last spring frost
Feb 28
First fall frost
Nov 23
Growing season
267 days
Hardiness zone
9a
Explore more for Port Barre, LA: full frost dates · planting calendar · Louisiana frost dates
Climate data from the nearest NOAA station, Grand Coteau, La (11.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.