Lake Onalaska Weather Forecast

    • 29
    • 50

    Increasing Clouds

    • 35
    • 54

    Partly Sunny

    • 44
    • 61

    Chance Rain

    • 43
    • 70

    Rain Likely

    • 34
    • 53

    Rain

    • 27
    • 46

    Chance Rain/Snow

Today 25 Mar La Crosse

Mostly sunny. Highs around 50. Northwest Winds 5 to 10 Mph.

Tonight 25 Mar La Crosse

Mostly cloudy in the Evening, then becoming partly cloudy. A 20 percent chance of rain Showers. Lows in the upper 20s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Onalaska Temperature Statistics

March Temperature

La Crosse - La Crosse Regional Airport (2.5 miles)

  • Lowest 2 March, 2025

    11.8 °F

  • Average March

    40.6 °F

  • Highest 14 March, 2025

    80.7 °F

Climate (2020–Present)

La Crosse - La Crosse Regional Airport (2.5 miles)

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  • Average Low 2020–2025

    41 °F

  • Average 2020–2025

    50.2 °F

  • Average High 2020–2025

    59.8 °F
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