Marathon City Weather Forecast

    • -3
    • 13

    Mostly Cloudy

    • 14
    • 19

    Snow

    • 21
    • 29

    Snow

    • 3
    • 27

    Slight Chance Snow

    • 0
    • 19

    Chance Snow

    • -4
    • 12

    Mostly Cloudy

Today 7 Dec Marathon

Mostly sunny in the morning then becoming partly cloudy. Highs in the middle teens. North wind 5 to 10 Mph.

Tonight 7 Dec Marathon

Partly cloudy in the evening then becoming mostly cloudy. Lows zero to 5 below. Light and variable wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marathon City Temperature Statistics

December Temperature

Wausau Downtown Airport (9.9 miles)

  • Lowest 4 December, 2025

    -4 °F

  • Average December

    14.6 °F

  • Highest 3 December, 2025

    24.1 °F

Climate (2020–Present)

Wausau Downtown Airport (9.9 miles)

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  • Average Low 2020–2025

    37.6 °F

  • Average 2020–2025

    46.9 °F

  • Average High 2020–2025

    56.1 °F
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