Marathon County Fairgrounds Weather Forecast

    • 54
    • 60

    Chance Rain Showers

    • 49
    • 73

    Chance Rain Showers

    • 42
    • 69

    Chance Thunderstorms

    • 36
    • 55

    Mostly Sunny

    • 41
    • 61

    Chance Rain Showers

    • 35
    • 55

    Chance Rain Showers

Today 16 Oct Marathon

Cloudy with a chance of Showers. Highs around 60. Southeast wind 10 to 15 Mph. Chance of rain 40 percent.

Tonight 16 Oct Marathon

Cloudy. A chance of Showers and a slight chance of Thunderstorms in the evening. Lows in the lower 50s. Southeast wind 5 to 10 Mph. Chance of rain 30 percent.

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Marathon County Fairgrounds Temperature Statistics

October Temperature

Wausau Downtown Airport (1.9 miles)

  • Lowest 8 October, 2025

    33.1 °F

  • Average October

    57.4 °F

  • Highest 4 October, 2025

    82.9 °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 °F
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