La Crosse, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for La Crosse, a city in La Crosse County, Wisconsin.
Tonight
57°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 57. East wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between 2 and 3 inches possible.
7-day forecast for La Crosse
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Showers And Thunderstorms | 8 to 13 mph E | 90% |
| Saturday | 69°F | Showers And Thunderstorms | 8 mph E | 91% |
| Saturday Night | 55°F | Showers And Thunderstorms Likely | 7 mph NE | 59% |
| Sunday | 68°F | Partly Sunny | 9 mph NE | 12% |
| Sunday Night | 49°F | Mostly Cloudy | 6 mph NE | 6% |
| Monday | 64°F | Mostly Cloudy then Chance Rain Showers | 8 mph NE | 31% |
| Monday Night | 45°F | Chance Rain Showers | 6 mph NE | 31% |
| Tuesday | 62°F | Partly Sunny | 6 mph NE | 12% |
| Tuesday Night | 44°F | Partly Cloudy | 3 mph NE | 4% |
| Wednesday | 66°F | Sunny | 3 mph NE | 1% |
| Wednesday Night | 48°F | Partly Cloudy | 2 mph E | 3% |
| Thursday | 69°F | Partly Sunny | 1 mph S | 6% |
| Thursday Night | 50°F | Partly Cloudy | 0 mph | 6% |
| Friday | 71°F | Mostly Sunny | 2 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov) for La Crosse (43.825, -91.225). Updated through the day.
Growing snapshot for La Crosse
Last spring frost
Apr 23
First fall frost
Oct 17
Growing season
177 days
Hardiness zone
5a
More local growing data for La Crosse: nearby ZIP 54603 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Bangor
Brice Prairie
Coon Valley
French Island
Holmen
Mindoro
Onalaska
Rockland
St. Joseph
West Salem
Climate data from the nearest NOAA station, La Crosse Muni Ap, Wi (1.5 mi from La Crosse). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.