Wausau Weather Forecast

    • 8
    • 21

    Snow

    • 4
    • 18

    Chance Snow

    • -8
    • 17

    Partly Sunny

    • 11
    • 18

    Snow

    • 17
    • 28

    Snow

    • 1
    • 27

    Slight Chance Snow

Today 5 Dec Marathon

Not as cold. Cloudy with light snow. Additional snow accumulation around 1 inch. Highs in the lower 20s. Southwest wind 5 to 10 Mph. Chance of snow 90 percent.

Tonight 5 Dec Marathon

Mostly cloudy. Light snow likely in the evening. Freezing drizzle also possible in the evening. Little or no snow accumulation. Lows 5 to 10 above zero. West wind 5 to 10 Mph. Chance of precipitation 60 percent.

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Wausau Temperature Statistics

December Temperature

Wausau Downtown Airport (1.9 miles)

  • Lowest 3 December, 2025

    3.9 °F

  • Average December

    16.8 °F

  • Highest 3 December, 2025

    24.1 °F

Climate (2020–Present)

Wausau Downtown Airport (1.9 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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