Marathon City Weather Forecast

    • 58
    • 77

    Rain Showers Likely

    • 58
    • 82

    Slight Chance Thunderstorms

    • 58
    • 81

    Slight Chance Thunderstorms

    • 55
    • 80

    Slight Chance Thunderstorms

    • 51
    • 76

    Partly Sunny

    • 52
    • 75

    Partly Sunny

Today 9 Aug Marathon

Mostly cloudy. Showers likely in the morning. Thunderstorms also possible in the Morning, then a slight chance of Showers and Thunderstorms in the afternoon. Highs in the upper 70s. Southwest wind 5 to 10 Mph. Chance of rain 70 percent.

Tonight 9 Aug Marathon

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Patchy fog. Lows in the upper 50s. Light and variable wind. 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 6 August, 2026

    53.1 °F

  • Average August

    71.4 °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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