Lake Onalaska Weather Forecast
- 27
- 56
Mostly Sunny
- 23
- 41
Partly Sunny
- 29
- 36
Mostly Cloudy
- 19
- 46
Mostly Cloudy
- 11
- 26
Mostly Cloudy
- 12
- 24
Mostly Cloudy
Today 30 Jan La Crosse
Sunny. Not as cool with Highs in the mid 50s. Southwest Winds 5 to 10 Mph.
Tonight 30 Jan La Crosse
Partly cloudy in the Evening, then becoming mostly clear. Lows in the upper 20s. Northeast Winds around 5 Mph.
Lake Onalaska Temperature Statistics
January Temperature
La Crosse - La Crosse Regional Airport (2.5 miles)
Lowest 21 January, 2025
-16.2 °FAverage January
17.3 °FHighest 28 January, 2025
54 °F
Climate (2020–Present)
La Crosse - La Crosse Regional Airport (2.5 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2020–2025
41 °FAverage 2020–2025
50.2 °FAverage High 2020–2025
59.7 °F