Sylvan Hill Park Weather Forecast

    • 16
    • 35

    Decreasing Clouds

    • 27
    • 32

    Rain/Snow Likely

    • 1
    • 36

    Snow Likely

    • 9
    • 17

    Chance Snow

    • 2
    • 27

    Mostly Cloudy

    • 1
    • 18

    Partly Sunny

Today 16 Dec Marathon

Not as cold. Mostly cloudy. Highs in the middle 30s. Southwest wind 10 to 15 Mph.

Tonight 16 Dec Marathon

Blustery. Not as cold. Partly cloudy. Lows in the middle teens. West wind 15 to 25 Mph.

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Sylvan Hill Park Temperature Statistics

December Temperature

Wausau Downtown Airport (3.7 miles)

  • Lowest 13 December, 2025

    -13 °F

  • Average December

    12.1 °F

  • Highest 3 December, 2025

    24.1 °F

Climate (2020–Present)

Wausau Downtown Airport (3.7 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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