Trempealeau, WI Weather & Growing Conditions
This Afternoon
67°F
Rain Showers Likely
Rain showers likely. Cloudy. High near 67, with temperatures falling to around 65 in the afternoon. South wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Rain Showers Likely | 8 mph S | 71% |
| Tonight | 54°F | Rain Showers | 5 to 9 mph SE | 97% |
| Wednesday | 57°F | Rain Showers | 6 to 12 mph S | 90% |
| Wednesday Night | 45°F | Rain Showers | 13 mph W | 89% |
| Thursday | 50°F | Rain Showers Likely | 12 mph NW | 71% |
| Thursday Night | 36°F | Mostly Cloudy | 7 to 10 mph N | 9% |
| Friday | 48°F | Partly Sunny | 2 to 7 mph N | 1% |
| Friday Night | 31°F | Partly Cloudy | 1 mph N | 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 Mostly Sunny | 3 to 7 mph W | 15% |
| Sunday Night | 36°F | Mostly Clear | 3 mph SW | 5% |
| Monday | 61°F | Mostly Sunny | 3 to 9 mph SW | 0% |
| Monday Night | 39°F | Partly Cloudy | 6 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Trempealeau, WI
Last spring frost
Apr 29
First fall frost
Oct 11
Growing season
165 days
Hardiness zone
5a
Explore more for Trempealeau, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Trempealeau Dam 6, Wi (4.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.