Isle of Ferns Park Weather Forecast

    • -16
    • 5

    Cold

    • -1
    • 7

    Chance Snow

    • -8
    • 8

    Cold

    • -9
    • 7

    Cold

    • -5
    • 10

    Cold

    • -1
    • 16

    Partly Sunny

Today 25 Jan Marathon

Mostly sunny. Highs around 5 above zero. Light and variable wind becoming northwest 5 to 10 Mph in the afternoon.

Tonight 25 Jan Marathon

Cold. Mostly clear. Lows 15 below to 20 below zero. Northwest wind 5 to 10 Mph. Wind Chills to 35 below zero.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Isle of Ferns Park Temperature Statistics

January Temperature

Wausau Downtown Airport (1.2 miles)

  • Lowest 23 January, 2026

    -25.1 °F

  • Average January

    16.1 °F

  • Highest 13 January, 2026

    40.6 °F

Climate (2021–Present)

Wausau Downtown Airport (1.2 miles)

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  • Average Low 2021–2026

    37.4 °F

  • Average 2021–2026

    46.8 °F

  • Average High 2021–2026

    55.9 °F
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