St. Joseph, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Joseph, a community in La Crosse County, Wisconsin.
This Afternoon
66°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy. High near 66, with temperatures falling to around 64 in the afternoon. East wind 6 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for St. Joseph
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Showers And Thunderstorms Likely | 6 to 12 mph E | 69% |
| Tonight | 57°F | Showers And Thunderstorms | 10 to 15 mph E | 89% |
| Saturday | 69°F | Showers And Thunderstorms Likely | 6 to 9 mph E | 67% |
| Saturday Night | 55°F | Showers And Thunderstorms Likely | 10 mph NE | 69% |
| Sunday | 68°F | Partly Sunny | 13 mph NE | 14% |
| Sunday Night | 50°F | Mostly Cloudy | 10 mph NE | 5% |
| Monday | 64°F | Mostly Cloudy then Chance Rain Showers | 8 to 12 mph NE | 31% |
| Monday Night | 46°F | Chance Rain Showers | 6 to 9 mph NE | 31% |
| Tuesday | 62°F | Partly Sunny | 6 to 9 mph NE | 13% |
| Tuesday Night | 44°F | Partly Cloudy | 2 to 6 mph NE | 5% |
| Wednesday | 67°F | Sunny | 5 mph E | 1% |
| Wednesday Night | 48°F | Partly Cloudy | 3 mph E | 3% |
| Thursday | 69°F | Partly Sunny | 2 mph SE | 6% |
| Thursday Night | 50°F | Partly Cloudy | 1 mph S | 6% |
Forecast source: National Weather Service (api.weather.gov) for St. Joseph (43.785, -91.044). Updated through the day.
Growing snapshot for St. Joseph
Last spring frost
Apr 27
First fall frost
Oct 13
Growing season
167 days
Hardiness zone
5a
More local growing data for St. Joseph: nearby ZIP 54623 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Bangor
Brice Prairie
Coon Valley
French Island
Holmen
La Crosse
Mindoro
Onalaska
Rockland
West Salem
Climate data from the nearest NOAA station, La Crosse Wfo, Wi (10.4 mi from St. Joseph). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.