Trempealeau, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Trempealeau, a village in Trempealeau County, Wisconsin.
Overnight
56°F
Showers And Thunderstorms
Showers and thunderstorms before 5am, then a chance of showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 56. East wind around 12 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Trempealeau
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Showers And Thunderstorms | 12 mph E | 91% |
| Saturday | 64°F | Chance Showers And Thunderstorms | 8 mph NE | 75% |
| Saturday Night | 54°F | Slight Chance Showers And Thunderstorms then Cloudy | 6 to 9 mph NE | 23% |
| Sunday | 69°F | Partly Sunny | 9 to 14 mph NE | 3% |
| Sunday Night | 48°F | Mostly Cloudy | 6 to 10 mph NE | 4% |
| Monday | 64°F | Mostly Cloudy | 5 to 8 mph NE | 8% |
| Monday Night | 44°F | Mostly Cloudy | 2 to 7 mph NE | 6% |
| Tuesday | 63°F | Mostly Sunny | 2 to 7 mph NE | 6% |
| Tuesday Night | 42°F | Mostly Clear | 3 mph NE | 2% |
| Wednesday | 66°F | Sunny | 1 to 5 mph E | 1% |
| Wednesday Night | 46°F | Mostly Clear | 0 to 3 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 | 71°F | Mostly Sunny | 0 to 3 mph SE | 3% |
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 Sep 19, 2026.