Lake Onalaska Weather Forecast

    • 27
    • 39

    Becoming Sunny

    • 27
    • 56

    Mostly Sunny

    • 23
    • 40

    Partly Sunny

    • 30
    • 37

    Chance Snow

    • 17
    • 44

    Mostly Cloudy

    • 10
    • 26

    Mostly Cloudy

Today 29 Jan La Crosse

Mostly cloudy and Colder. Near steady temperature in the upper 30s. Northwest Winds 5 to 10 Mph.

Tonight 29 Jan La Crosse

Partly cloudy in the Evening, then clearing. Lows in the mid 20s. South Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Onalaska Temperature Statistics

January Temperature

La Crosse - La Crosse Regional Airport (2.5 miles)

  • Lowest 21 January, 2025

    -16.2 °F

  • Average January

    16.5 °F

  • Highest 17 January, 2025

    47.6 °F

Climate (2020–Present)

La Crosse - La Crosse Regional Airport (2.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    41 °F

  • Average 2020–2025

    50.2 °F

  • Average High 2020–2025

    59.7 °F
Get WillyWeather+ to remove ads