Wausau Weather Forecast

    • -1
    • 19

    Snow Likely

    • -21
    • 7

    Cold

    • -25
    • -11

    Cold

    • -16
    • -3

    Cold

    • -12
    • 5

    Cold

    • -3
    • 8

    Cold

Today 21 Jan Marathon

Cloudy. A chance of Flurries in the Morning, then light snow likely in the afternoon. Snow accumulation up to 1 inch. Highs in the upper teens. Southwest wind 10 to 15 Mph. Chance of snow 70 percent.

Tonight 21 Jan Marathon

Mostly cloudy with a chance of light snow in the Evening, then mostly clear after midnight. Lows zero to 5 below. West wind 10 to 15 Mph. Chance of snow 50 percent. Lowest wind chill Readings to 20 below zero after midnight.

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Wausau Temperature Statistics

January Temperature

Wausau Downtown Airport (1.9 miles)

  • Lowest 19 January, 2026

    -8 °F

  • Average January

    19.8 °F

  • Highest 13 January, 2026

    39.9 °F

Climate (2021–Present)

Wausau Downtown Airport (1.9 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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