Trempealeau, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Trempealeau, a village in Trempealeau County, Wisconsin.
This Afternoon
68°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. High near 68, with temperatures falling to around 66 in the afternoon. South wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Trempealeau
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Showers And Thunderstorms | 8 mph S | 84% |
| Tonight | 54°F | Rain Showers | 6 to 9 mph SE | 97% |
| Wednesday | 57°F | Rain Showers | 6 to 12 mph S | 90% |
| Wednesday Night | 46°F | Rain Showers | 13 mph W | 87% |
| Thursday | 50°F | Rain Showers Likely | 12 mph NW | 72% |
| Thursday Night | 37°F | Mostly Cloudy | 7 to 12 mph N | 9% |
| Friday | 49°F | Partly Sunny | 2 to 7 mph N | 1% |
| Friday Night | 31°F | Partly Cloudy | 1 mph NW | 1% |
| Saturday | 53°F | Mostly Sunny | 0 to 5 mph W | 0% |
| Saturday Night | 35°F | Partly Cloudy | 3 mph W | 10% |
| Sunday | 58°F | Slight Chance Rain Showers then Sunny | 3 to 8 mph W | 15% |
| Sunday Night | 36°F | Mostly Clear | 5 mph SW | 5% |
| Monday | 62°F | Mostly Sunny | 3 to 10 mph SW | 0% |
| Monday Night | 39°F | Partly Cloudy | 6 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Trempealeau (44.002, -91.428). Updated through the day.
Growing snapshot for Trempealeau
Last spring frost
Apr 29
First fall frost
Oct 11
Growing season
165 days
Hardiness zone
5a
More local growing data for Trempealeau: nearby ZIP 54661 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Trempealeau Dam 6, Wi (4.3 mi from Trempealeau). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.