Marathon City Weather Forecast

    • 56
    • 81

    Chance Thunderstorms

    • 51
    • 81

    Rain Showers Likely

    • 60
    • 74

    Rain Showers

    • 59
    • 83

    Rain Showers

    • 42
    • 75

    Chance Rain Showers

    • 40
    • 60

    Partly Sunny

Today 15 May Marathon

Warmer. Sunny. Highs in the lower 80s. Southwest wind 10 to 20 Mph.

Tonight 15 May Marathon

Partly cloudy in the evening then becoming mostly cloudy. A chance of Showers and Thunderstorms. Lows in the middle 50s. Southwest wind 10 to 15 Mph. Chance of rain 50 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

    47.4 °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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