Marathon City Weather Forecast

    • 42
    • 68

    Becoming Sunny

    • 44
    • 66

    Partly Sunny

    • 52
    • 68

    Partly Sunny

    • 51
    • 69

    Mostly Cloudy

    • 40
    • 62

    Mostly Cloudy

    • 34
    • 54

    Partly Sunny

Today 21 Oct Marathon

Mostly sunny. Patchy fog in the morning. Highs in the upper 60s. Light and variable wind.

Tonight 21 Oct Marathon

Clear. Patchy fog. Lows in the lower 40s. Light and variable wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marathon City Temperature Statistics

October Temperature

Wausau Downtown Airport (9.9 miles)

  • Lowest 17 October, 2026

    28.9 °F

  • Average October

    56 °F

  • Highest 12 October, 2026

    84.7 °F

Climate (2021–2026)

Wausau Downtown Airport (9.9 miles)

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  • Average Low 2021–2026

    37.3 °F

  • Average 2021–2026

    46.7 °F

  • Average High 2021–2026

    55.9 °F
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