Marathon City Weather Forecast

    • 57
    • 60

    Rain Showers

    • 58
    • 81

    Rain Showers

    • 39
    • 71

    Chance Rain Showers

    • 36
    • 56

    Partly Sunny

    • 41
    • 63

    Partly Sunny

    • 45
    • 67

    Partly Sunny

Today 17 May Marathon

Cooler. Mostly cloudy. A chance of Showers in the Morning, then Showers likely and a chance of Thunderstorms in the afternoon. Highs in the lower 60s. East wind 10 to 15 Mph. Chance of rain 70 percent.

Tonight 17 May Marathon

Showers and a chance of Thunderstorms. Lows in the upper 50s. Southeast wind 10 to 15 Mph. Chance of rain 90 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

    48.2 °F

  • Highest 12 May, 2026

    74.6 °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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