Ossun, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ossun, a community in Lafayette County, Louisiana.
Tonight
71°F
Clear
Clear, with a low around 71. Wind around 0 mph.
7-day forecast for Ossun
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Clear | 0 mph | 0% |
| Saturday | 96°F | Sunny | 0 to 5 mph NE | 1% |
| Saturday Night | 73°F | Clear | 0 to 5 mph S | 1% |
| Sunday | 96°F | Sunny | 0 to 5 mph E | 7% |
| Sunday Night | 75°F | Mostly Clear | 0 to 5 mph SW | 7% |
| Monday | 97°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 16% |
| Monday Night | 75°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 16% |
| Tuesday | 98°F | Sunny | 0 to 5 mph NE | 12% |
| Tuesday Night | 75°F | Mostly Clear | 0 to 5 mph E | 12% |
| Wednesday | 96°F | Sunny | 0 to 10 mph NE | 7% |
| Wednesday Night | 73°F | Mostly Clear | 5 to 10 mph NE | 7% |
| Thursday | 94°F | Sunny | 5 to 10 mph NE | 4% |
| Thursday Night | 71°F | Mostly Clear | 5 to 10 mph NE | 4% |
| Friday | 93°F | Sunny | 5 to 10 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Ossun (30.283, -92.107). Updated through the day.
Growing snapshot for Ossun
Last spring frost
Feb 26
First fall frost
Nov 28
Growing season
279 days
Hardiness zone
9a
More local growing data for Ossun: nearby ZIP 70583 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lafayette, La (4.6 mi from Ossun). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.