Onalaska Weather Forecast
- -4
- 20
Flurries
- 18
- 22
Snow
- 33
- 45
Partly Sunny
- 35
- 49
Mostly Cloudy
- 36
- 55
Mostly Cloudy
- 35
- 58
Partly Sunny
- 27
- 49
Mostly Cloudy
Today 16 Mar La Crosse
Mostly cloudy with scattered Flurries. Patchy blowing snow. Colder. Near steady temperature around 18. Northwest Winds 10 to 20 Mph with Gusts up to 30 Mph.
Tonight 16 Mar La Crosse
Mostly cloudy with scattered Flurries this Evening, then partly cloudy after midnight. Much Colder with Lows around 6 below. Northwest Winds 10 to 20 Mph. Gusts up to 30 Mph this evening. Wind chill Values as low as 15 below after midnight.
Onalaska Temperature Statistics
March Temperature
La Crosse - La Crosse Regional Airport (0.6 miles)
Lowest 1 March, 2026
15.7 °FAverage March
38.8 °FHighest 9 March, 2026
68 °F
Climate (2021–Present)
La Crosse - La Crosse Regional Airport (0.6 miles)
Average Low 2021–2026
41 °FAverage 2021–2026
50.3 °FAverage High 2021–2026
59.9 °F