Trempealeau Weather Forecast

    • 3
    • 34

    Mostly Sunny

    • 19
    • 26

    Chance Snow

    • 27
    • 37

    Mostly Cloudy

    • 24
    • 35

    Mostly Cloudy

    • 35
    • 40

    Cloudy

    • 27
    • 46

    Mostly Cloudy

Today 20 Dec Trempealeau

Mostly sunny. Not as cold with Highs around 30. Temperature falling to around 18 late. West Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 20 Dec Trempealeau

Mostly clear. Colder with Lows around zero. Northwest Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Trempealeau Temperature Statistics

December Temperature

La Crosse - La Crosse Regional Airport (12.4 miles)

  • Lowest 14 December, 2025

    -11 °F

  • Average December

    17.8 °F

  • Highest 16 December, 2025

    39.9 °F

Climate (2020–Present)

La Crosse - La Crosse Regional Airport (12.4 miles)

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  • Average Low 2020–2025

    41 °F

  • Average 2020–2025

    50.3 °F

  • Average High 2020–2025

    59.8 °F
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