Ossun, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ossun, a community in Lafayette County, Louisiana.
This Afternoon
82°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 3pm, then a chance of showers and thunderstorms. Mostly cloudy. High near 82, with temperatures falling to around 77 in the afternoon. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Ossun
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 82°F | Chance Showers And Thunderstorms | 10 to 15 mph S | 41% |
| Tonight | 63°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph SW | 54% |
| Wednesday | 76°F | Mostly Sunny | 0 to 5 mph NW | 5% |
| Wednesday Night | 52°F | Mostly Clear | 0 mph | 1% |
| Thursday | 78°F | Mostly Sunny | 0 mph | 5% |
| Thursday Night | 57°F | Chance Rain Showers | 0 mph | 29% |
| Friday | 78°F | Mostly Sunny | 0 to 10 mph N | 9% |
| Friday Night | 51°F | Mostly Clear | 5 mph N | 2% |
| Saturday | 73°F | Mostly Sunny | 5 to 10 mph N | 4% |
| Saturday Night | 46°F | Partly Cloudy | 5 mph N | 11% |
| Sunday | 68°F | Mostly Sunny | 5 to 10 mph N | 5% |
| Sunday Night | 44°F | Mostly Clear | 5 mph N | 3% |
| Monday | 71°F | Sunny | 5 mph N | 4% |
| Monday Night | 43°F | Mostly Clear | 0 mph | 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 Nov 3, 2026.