Marathon City Weather Forecast

    • 67
    • 79

    Rain Showers

    • 61
    • 87

    Partly Sunny

    • 64
    • 86

    Chance Thunderstorms

    • 60
    • 84

    Chance Rain Showers

    • 60
    • 81

    Slight Chance Thunderstorms

    • 59
    • 81

    Chance Rain Showers

Today 30 Aug Marathon

Humid. Mostly cloudy with a slight chance of Showers and Thunderstorms. Highs around 80. Southeast wind 5 to 10 Mph. Chance of rain 20 percent.

Tonight 30 Aug Marathon

Muggy. Mostly cloudy with a slight chance of Showers and Thunderstorms. Patchy fog after midnight. Lows in the upper 60s. Southeast wind 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marathon City Temperature Statistics

August Temperature

Wausau Downtown Airport (9.9 miles)

  • Lowest 24 August, 2026

    47.6 °F

  • Average August

    70.1 °F

  • Highest 1 August, 2026

    87.7 °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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