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.
Today
79°F
Mostly Cloudy then Scattered Rain Showers
Scattered rain showers after 3pm. Mostly cloudy. High near 79, with temperatures falling to around 77 in the afternoon. West wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for La Crosse
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Mostly Cloudy then Scattered Rain Showers | 7 mph W | 26% |
| Tonight | 59°F | Scattered Showers And Thunderstorms | 3 mph W | 39% |
| Wednesday | 78°F | Mostly Sunny | 3 mph NW | 3% |
| Wednesday Night | 55°F | Mostly Clear | 2 mph W | 0% |
| Thursday | 83°F | Sunny | 0 to 5 mph S | 0% |
| Thursday Night | 60°F | Mostly Clear | 3 mph S | 0% |
| Friday | 85°F | Sunny | 2 to 9 mph S | 6% |
| Friday Night | 64°F | Slight Chance Rain Showers | 3 to 8 mph S | 17% |
| Saturday | 86°F | Slight Chance Rain Showers then Mostly Sunny | 2 to 7 mph SW | 15% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 39% |
| Sunday | 86°F | Chance Rain Showers | 3 to 7 mph W | 39% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 1 to 6 mph SE | 43% |
| Monday | 84°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 mph S | 43% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 3 mph NE | 30% |
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 Aug 4, 2026.