Onalaska Weather Forecast

    • 50
    • 67

    Slight Chance Thunderstorms

    • 49
    • 78

    Thunderstorms

    • 24
    • 51

    Rain Showers Likely

    • 27
    • 42

    Partly Sunny

    • 37
    • 55

    Mostly Sunny

    • 34
    • 66

    Chance Rain/Snow

    • 25
    • 45

    Rain Likely

Today 13 Mar La Crosse

Mostly sunny and warmer. Near steady temperature in the mid 60s. Southeast Winds 5 to 10 Mph.

Tonight 13 Mar La Crosse

Partly cloudy this Evening, then mostly cloudy with a slight chance of Showers and Thunderstorms after midnight. Not as cool with Lows in the upper 40s. Southeast Winds 10 to 15 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Onalaska Temperature Statistics

March Temperature

La Crosse - La Crosse Regional Airport (0.6 miles)

  • Lowest 2 March, 2025

    11.8 °F

  • Average March

    38 °F

  • Highest 10 March, 2025

    71.1 °F

Climate (2020–Present)

La Crosse - La Crosse Regional Airport (0.6 miles)

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  • Average Low 2020–2025

    41 °F

  • Average 2020–2025

    50.1 °F

  • Average High 2020–2025

    59.7 °F
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