Lake Wausau Weather Forecast

    • 30
    • 35

    Chance Rain/Freezing Rain

    • 33
    • 44

    Mostly Cloudy

    • 34
    • 47

    Mostly Cloudy

    • 30
    • 54

    Chance Rain/Snow

    • 18
    • 37

    Mostly Sunny

    • 25
    • 40

    Partly Sunny

Today 18 Mar Marathon

Not as cold. Cloudy. Highs in the middle 30s. Southwest wind 5 to 10 Mph.

Tonight 18 Mar Marathon

Not as cold. Cloudy. Light freezing rain likely in the evening. Light rain and snow also possible in the Evening, then light freezing rain likely after midnight. Light rain also possible after midnight. Patchy fog after midnight. No snow accumulation. Around a tenth of an inch of icing. Lows in the upper 20s. Southwest wind 5 to 10 Mph in the evening becoming light and variable. Chance of precipitation 60 percent.

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Lake Wausau Temperature Statistics

March Temperature

Wausau Downtown Airport (0.6 miles)

  • Lowest 16 March, 2026

    9 °F

  • Average March

    33 °F

  • Highest 9 March, 2026

    64 °F

Climate (2021–Present)

Wausau Downtown Airport (0.6 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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