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.
Today
79°F
Mostly Cloudy then Scattered Showers And Thunderstorms
Isolated rain showers between 3pm and 5pm, then scattered showers and thunderstorms. Mostly cloudy. High near 79, with temperatures falling to around 76 in the afternoon. West wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for St. Joseph
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Mostly Cloudy then Scattered Showers And Thunderstorms | 6 to 9 mph W | 25% |
| Tonight | 59°F | Scattered Showers And Thunderstorms | 5 mph W | 41% |
| Wednesday | 78°F | Partly Sunny | 5 mph NW | 5% |
| Wednesday Night | 55°F | Mostly Clear | 0 to 3 mph W | 0% |
| Thursday | 83°F | Sunny | 1 to 5 mph SW | 0% |
| Thursday Night | 60°F | Mostly Clear | 5 mph S | 0% |
| Friday | 85°F | Sunny | 3 to 10 mph S | 5% |
| Friday Night | 64°F | Slight Chance Showers And Thunderstorms | 6 to 10 mph S | 18% |
| Saturday | 86°F | Mostly Sunny | 5 to 8 mph SW | 13% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 8 mph SW | 38% |
| Sunday | 86°F | Chance Rain Showers | 6 to 9 mph SW | 38% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 2 to 7 mph SE | 43% |
| Monday | 85°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 6 mph S | 43% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 6 mph NE | 30% |
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 Aug 4, 2026.