Wayside Park Weather Forecast

    • -5
    • 17

    Chance Snow

    • 2
    • 10

    Cold

    • 4
    • 15

    Mostly Sunny

    • 4
    • 17

    Mostly Cloudy

    • 12
    • 21

    Slight Chance Snow

    • 13
    • 29

    Mostly Cloudy

Today 31 Dec Marathon

Cloudy. A chance of light snow in the Morning, then a chance of Flurries in the afternoon. Highs in the upper teens. Northwest wind 10 to 15 Mph. Chance of snow 50 percent. Lowest wind chill Readings to 10 below zero in the afternoon.

Tonight 31 Dec Marathon

Colder. Mostly clear. Lows around 5 below zero. Northwest wind 10 to 15 Mph. Wind Chills to 25 below zero.

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Wayside Park Temperature Statistics

December Temperature

Wausau Downtown Airport (13.7 miles)

  • Lowest 13 December, 2025

    -13 °F

  • Average December

    17.7 °F

  • Highest 16 December, 2025

    39 °F

Climate (2020–Present)

Wausau Downtown Airport (13.7 miles)

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  • Average Low 2020–2025

    37.5 °F

  • Average 2020–2025

    46.8 °F

  • Average High 2020–2025

    56 °F
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