Trempealeau, WI Weather & Growing Conditions
Today
63°F
Rain Showers Likely
Rain showers likely before 1pm, then showers and thunderstorms likely. Cloudy, with a high near 63. East wind around 6 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 |
|---|---|---|---|---|
| Today | 63°F | Rain Showers Likely | 6 mph E | 67% |
| Tonight | 53°F | Chance Rain Showers then Cloudy | 7 mph NE | 39% |
| Sunday | 68°F | Partly Sunny | 6 to 12 mph NE | 6% |
| Sunday Night | 47°F | Mostly Cloudy | 7 mph NE | 4% |
| Monday | 63°F | Mostly Cloudy | 8 mph NE | 9% |
| Monday Night | 44°F | Mostly Cloudy | 6 mph NE | 5% |
| Tuesday | 63°F | Mostly Sunny | 3 to 7 mph NE | 5% |
| Tuesday Night | 42°F | Mostly Clear | 3 mph E | 2% |
| Wednesday | 66°F | Sunny | 1 to 5 mph E | 1% |
| Wednesday Night | 46°F | Mostly Clear | 2 mph E | 3% |
| Thursday | 68°F | Mostly Sunny | 0 to 3 mph E | 7% |
| Thursday Night | 48°F | Partly Cloudy | 1 mph NE | 3% |
| Friday | 70°F | Mostly Sunny | 3 mph SE | 3% |
| Friday Night | 49°F | Partly Cloudy | 2 mph SE | 4% |
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 Sep 19, 2026.