Marathon City Weather Forecast

    • 52
    • 77

    Mostly Cloudy

    • 49
    • 79

    Partly Sunny

    • 50
    • 80

    Mostly Sunny

    • 56
    • 82

    Partly Sunny

    • 58
    • 80

    Chance Rain Showers

    • 56
    • 80

    Chance Thunderstorms

Today 31 May Marathon

Partly cloudy. Highs in the middle 70s. Southeast wind 5 to 10 Mph.

Tonight 31 May Marathon

Partly cloudy. Lows in the middle 40s. East wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marathon City Temperature Statistics

May Temperature

Wausau Downtown Airport (9.9 miles)

  • Lowest 2 May, 2026

    26.7 °F

  • Average May

    55 °F

  • Highest 26 May, 2026

    90.6 °F

Climate (2021–Present)

Wausau Downtown Airport (9.9 miles)

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  • Average Low 2021–2026

    37.4 °F

  • Average 2021–2026

    46.7 °F

  • Average High 2021–2026

    56 °F
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