St. Joseph, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Joseph, a town in Tensas County, Louisiana.
Overnight
71°F
Mostly Clear
Mostly clear, with a low around 71. Wind around 0 mph.
7-day forecast for St. Joseph
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 94°F | Patchy Fog then Sunny | 0 to 5 mph N | 1% |
| Tuesday Night | 73°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Wednesday | 95°F | Sunny | 0 mph | 3% |
| Wednesday Night | 74°F | Mostly Clear | 0 mph | 4% |
| Thursday | 95°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 18% |
| Thursday Night | 75°F | Slight Chance Showers And Thunderstorms then Patchy Fog | 0 mph | 18% |
| Friday | 95°F | Patchy Fog then Sunny | 0 to 5 mph SSE | 12% |
| Friday Night | 74°F | Mostly Clear | 0 mph | 13% |
| Saturday | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 16% |
| Saturday Night | 75°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 16% |
| Sunday | 95°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSE | 20% |
| Sunday Night | 75°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 20% |
| Monday | 95°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph S | 33% |
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 Aug 4, 2026.