Isle of Ferns Park Weather Forecast

    • 34
    • 36

    Chance Drizzle

    • 15
    • 37

    Rain/Snow

    • 4
    • 20

    Chance Snow

    • 9
    • 20

    Chance Snow

    • -4
    • 16

    Partly Sunny

    • -6
    • 5

    Cold

Today 27 Dec Marathon

Cloudy. Areas of freezing fog in the morning. Nearly steady temperature in the lower 30s. Southeast wind 5 to 10 Mph.

Tonight 27 Dec Marathon

Cloudy. A chance of light rain in the Evening, then a chance of light rain and freezing rain after midnight. Nearly steady temperature in the mid 30s. Southeast wind 5 to 10 Mph in the evening becoming light and variable. Chance of precipitation 50 percent.

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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 13 December, 2025

    -13 °F

  • Average December

    15.9 °F

  • Highest 16 December, 2025

    39 °F

Climate (2020–Present)

Wausau Downtown Airport (1.2 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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