Marathon City Weather Forecast

    • 60
    • 83

    Increasing Clouds

    • 54
    • 80

    Slight Chance Thunderstorms

    • 55
    • 79

    Partly Sunny

    • 60
    • 75

    Rain Showers Likely

    • 54
    • 77

    Partly Sunny

    • 56
    • 79

    Partly Sunny

Today 12 Aug Marathon

Partly cloudy in the morning then clearing. Patchy fog in the morning. Highs in the lower 80s. Light and variable wind.

Tonight 12 Aug Marathon

Mostly clear in the evening then becoming mostly cloudy. Lows in the lower 60s. Light and variable wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marathon City Temperature Statistics

August Temperature

Wausau Downtown Airport (9.9 miles)

  • Lowest 6 August, 2026

    53.7 °F

  • Average August

    70.9 °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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