Opelousas, LA Weather & Growing Conditions
Tonight
61°F
Areas Of Fog
Areas of fog and showers and thunderstorms before 1am, then areas of fog and a chance of rain showers between 1am and 2am, then a chance of rain showers and patchy fog between 2am and 3am, then patchy fog and a slight chance of rain showers. Mostly cloudy, with a low around 61. West wind 0 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 61°F | Areas Of Fog | 0 to 5 mph W | 83% |
| Wednesday | 73°F | Patchy Fog then Mostly Sunny | 0 to 5 mph N | 2% |
| Wednesday Night | 50°F | Mostly Clear then Patchy Fog | 0 mph | 0% |
| Thursday | 76°F | Sunny | 0 mph | 0% |
| Thursday Night | 53°F | Partly Cloudy | 0 mph | 3% |
| Friday | 77°F | Sunny | 0 to 10 mph N | 1% |
| Friday Night | 51°F | Mostly Clear | 0 to 5 mph NE | 2% |
| Saturday | 71°F | Mostly Sunny | 5 to 10 mph NE | 1% |
| Saturday Night | 46°F | Partly Cloudy | 5 mph N | 3% |
| Sunday | 65°F | Mostly Sunny | 5 to 10 mph N | 6% |
| Sunday Night | 42°F | Partly Cloudy | 0 to 5 mph N | 4% |
| Monday | 68°F | Sunny | 0 to 5 mph N | 3% |
| Monday Night | 42°F | Mostly Clear | 0 mph | 1% |
| Tuesday | 72°F | Sunny | 0 to 5 mph N | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Opelousas, LA
Last spring frost
Feb 28
First fall frost
Nov 23
Growing season
267 days
Hardiness zone
9a
Explore more for Opelousas, LA: full frost dates · planting calendar · Louisiana frost dates
Climate data from the nearest NOAA station, Grand Coteau, La (8.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.