Marathon City Weather Forecast

    • 53
    • 79

    Chance Rain Showers

    • 48
    • 76

    Mostly Sunny

    • 47
    • 75

    Mostly Sunny

    • 52
    • 76

    Partly Sunny

    • 58
    • 79

    Chance Rain Showers

    • 54
    • 79

    Chance Rain Showers

Today 21 Aug Marathon

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the upper 70s. South wind 5 to 10 Mph shifting to the west in the afternoon. Chance of rain 50 percent.

Tonight 21 Aug Marathon

Mostly clear. Lows in the middle 50s. Northwest wind 5 to 10 Mph in the evening becoming light and variable.

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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

    71.7 °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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