Trempealeau Weather Forecast
- 46
- 77
Mostly Sunny
- 61
- 80
Mostly Sunny
- 52
- 78
Rain Showers
- 42
- 63
Slight Chance Rain Showers
- 42
- 63
Mostly Cloudy
- 45
- 61
Chance Rain Showers
Today 21 Apr Trempealeau
Mostly sunny. Much warmer with Highs in the mid 70s. Light Winds.
Tonight 21 Apr Trempealeau
Clear. Lows in the mid 40s. North Winds around 5 Mph, becoming east after midnight.
Trempealeau Temperature Statistics
April Temperature
La Crosse - La Crosse Regional Airport (12.4 miles)
Lowest 7 April, 2026
22.6 °FAverage April
48.7 °FHighest 17 April, 2026
78.7 °F
Climate (2021–Present)
La Crosse - La Crosse Regional Airport (12.4 miles)
Average Low 2021–2026
40.9 °FAverage 2021–2026
50.3 °FAverage High 2021–2026
59.9 °F