St. Joseph, LA Weather & Growing Conditions
Overnight
71°F
Clear
Clear, with a low around 71. West southwest wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Clear | 0 mph | 0% |
| Saturday | 98°F | Sunny | 0 to 5 mph NNE | 1% |
| Saturday Night | 73°F | Clear | 0 to 5 mph S | 0% |
| Sunday | 98°F | Sunny | 0 to 5 mph SW | 2% |
| Sunday Night | 75°F | Mostly Clear | 0 mph | 2% |
| Monday | 98°F | Mostly Sunny | 0 to 5 mph NW | 12% |
| Monday Night | 73°F | Partly Cloudy | 0 mph | 13% |
| Tuesday | 97°F | Sunny | 0 to 5 mph NNE | 7% |
| Tuesday Night | 72°F | Mostly Clear | 0 to 5 mph NE | 7% |
| Wednesday | 94°F | Sunny | 5 to 10 mph NNE | 2% |
| Wednesday Night | 70°F | Mostly Clear | 5 to 10 mph NE | 2% |
| Thursday | 92°F | Sunny | 5 to 10 mph NNE | 1% |
| Thursday Night | 69°F | Mostly Clear | 5 to 10 mph NE | 1% |
| Friday | 91°F | Mostly Sunny | 5 to 10 mph NE | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for St. Joseph, LA
Last spring frost
Mar 13
First fall frost
Nov 10
Growing season
242 days
Hardiness zone
8b
Explore more for St. Joseph, LA: full frost dates · planting calendar · Louisiana frost dates
Climate data from the nearest NOAA station, St Joseph 3 N, La (7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.