Isle of Ferns Park Weather Forecast

    • 21
    • 26

    Mostly Cloudy

    • 25
    • 35

    Increasing Clouds

    • 16
    • 38

    Chance Wintry Mix

    • 2
    • 21

    Mostly Cloudy

    • 13
    • 19

    Chance Snow

    • 8
    • 24

    Chance Snow

    • 2
    • 17

    Slight Chance Snow

Today 11 Jan Marathon

Mostly cloudy. Temperatures in the lower 20s. Southwest wind 10 to 15 Mph.

Tonight 11 Jan Marathon

Mostly cloudy in the evening then becoming partly cloudy. Nearly steady temperature in the lower 20s. Southwest wind 10 to 15 Mph.

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  • Temperature Real-Time

Isle of Ferns Park Temperature Statistics

January Temperature

Wausau Downtown Airport (1.2 miles)

  • Lowest 2 January, 2026

    0 °F

  • Average January

    21.3 °F

  • Highest 8 January, 2026

    36 °F

Climate (2021–Present)

Wausau Downtown Airport (1.2 miles)

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  • Average Low 2021–2026

    37.5 °F

  • Average 2021–2026

    46.8 °F

  • Average High 2021–2026

    56 °F
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