Onalaska Weather Forecast
- 49
- 78
Thunderstorms
- 24
- 51
Rain Showers Likely
- 27
- 42
Partly Sunny
- 37
- 55
Mostly Sunny
- 34
- 66
Mostly Cloudy
- 25
- 45
Rain Likely
Today 14 Mar La Crosse
Partly sunny. Warmer with Highs in the upper 70s. Southeast Winds 10 to 20 Mph with Gusts up to 35 Mph.
Tonight 14 Mar La Crosse
Showers likely with Thunderstorms. Lows in the upper 40s. Southeast Winds 10 to 15 Mph with Gusts up to 35 Mph. Chance of rain 80 percent.
Onalaska Temperature Statistics
March Temperature
La Crosse - La Crosse Regional Airport (0.6 miles)
Lowest 2 March, 2025
11.8 °FAverage March
38 °FHighest 10 March, 2025
71.1 °F
Climate (2020–Present)
La Crosse - La Crosse Regional Airport (0.6 miles)
Average Low 2020–2025
41 °FAverage 2020–2025
50.1 °FAverage High 2020–2025
59.7 °F