Marathon City Weather Forecast

    • 55
    • 76

    Slight Chance Thunderstorms

    • 60
    • 81

    Slight Chance Thunderstorms

    • 59
    • 88

    Mostly Sunny

    • 52
    • 85

    Chance Rain Showers

    • 53
    • 79

    Partly Sunny

    • 54
    • 79

    Mostly Sunny

Today 24 May Marathon

Sunny. Temperatures in the lower 70s. West wind 10 to 15 Mph.

Tonight 24 May Marathon

Clear in the evening then becoming partly cloudy. A slight chance of Showers after midnight. Lows in the middle 50s. Light and variable wind becoming south around 5 Mph after midnight. Chance of rain 20 percent.

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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

    51.7 °F

  • Highest 15 May, 2026

    81.6 °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

    55.9 °F
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