St. Joseph, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Joseph, a town in Tensas County, Louisiana.
Tonight
71°F
Clear
Clear, with a low around 71. Wind around 0 mph.
7-day forecast for St. Joseph
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Clear | 0 mph | 0% |
| Saturday | 97°F | Sunny | 0 mph | 1% |
| Saturday Night | 73°F | Clear | 0 mph | 0% |
| Sunday | 97°F | Sunny | 0 to 5 mph SW | 1% |
| Sunday Night | 75°F | Mostly Clear | 0 mph | 1% |
| Monday | 97°F | Mostly Sunny | 0 to 5 mph NW | 10% |
| Monday Night | 74°F | Partly Cloudy | 0 mph | 13% |
| Tuesday | 96°F | Sunny | 0 to 5 mph NNE | 6% |
| Tuesday Night | 73°F | Mostly Clear | 0 to 5 mph NE | 6% |
| Wednesday | 94°F | Sunny | 5 to 10 mph NNE | 2% |
| Wednesday Night | 70°F | Mostly Clear | 5 to 10 mph NE | 2% |
| Thursday | 91°F | Sunny | 5 to 10 mph NNE | 1% |
| Thursday Night | 69°F | Mostly Clear | 0 to 5 mph NE | 1% |
| Friday | 90°F | Sunny | 5 to 10 mph NE | 0% |
Forecast source: National Weather Service (api.weather.gov) for St. Joseph (31.920, -91.240). Updated through the day.
Growing snapshot for St. Joseph
Last spring frost
Mar 13
First fall frost
Nov 10
Growing season
242 days
Hardiness zone
8b
More local growing data for St. Joseph: nearby ZIP 71366 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, St Joseph 3 N, La (7 mi from St. Joseph). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.