Marathon City Weather Forecast

    • 66
    • 80

    Mostly Cloudy

    • 53
    • 80

    Partly Sunny

    • 57
    • 80

    Mostly Sunny

    • 57
    • 80

    Rain Showers Likely

    • 50
    • 75

    Partly Sunny

    • 53
    • 74

    Partly Sunny

Today 15 Aug Marathon

Humid. Partly sunny. Highs around 80. Southeast wind 5 to 10 Mph.

Tonight 15 Aug Marathon

Mostly cloudy. Nearly steady temperature in the lower 60s. East wind 5 to 10 Mph.

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Marathon City Temperature Statistics

August Temperature

Wausau Downtown Airport (9.9 miles)

  • Lowest 6 August, 2026

    53.7 °F

  • Average August

    71 °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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