Isle of Ferns Park Weather Forecast

    • -11
    • -1

    Cold

    • -1
    • 7

    Cold

    • 7
    • 22

    Mostly Cloudy

    • 19
    • 36

    Mostly Cloudy

    • 24
    • 32

    Rain/Snow Likely

    • -1
    • 35

    Slight Chance Snow

    • 10
    • 20

    Chance Snow

Today 13 Dec Marathon

Cold. Sunny. Temperatures 1 below to 3 below zero. West wind 10 to 15 Mph. Wind Chills to 25 below zero.

Tonight 13 Dec Marathon

Cold. Mostly clear. Lows 10 below to 15 below zero. Northwest wind 10 to 15 Mph. Wind Chills to 35 below zero.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Isle of Ferns Park Temperature Statistics

December Temperature

Wausau Downtown Airport (1.2 miles)

  • Lowest 8 December, 2025

    -7.1 °F

  • Average December

    14.2 °F

  • Highest 3 December, 2025

    24.1 °F

Climate (2020–Present)

Wausau Downtown Airport (1.2 miles)

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  • Average Low 2020–2025

    37.6 °F

  • Average 2020–2025

    46.9 °F

  • Average High 2020–2025

    56 °F
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