Marathon City Weather Forecast

    • 69
    • 91

    Severe Tstms

    • 66
    • 86

    Rain Showers

    • 65
    • 88

    Rain Showers

    • 63
    • 85

    Rain Showers

    • 61
    • 81

    Rain Showers Likely

    • 60
    • 81

    Partly Sunny

    • 61
    • 84

    Partly Sunny

Today 30 Jun Marathon

Hot and humid. Partly sunny with a chance of Showers and Thunderstorms. Some Thunderstorms may be severe with damaging Winds and large hail. Temperatures in the upper 80s. Southwest wind 10 to 15 Mph. Heat indices to 102.

Tonight 30 Jun Marathon

Muggy. Mostly cloudy. A slight chance of Showers and Thunderstorms. Some Thunderstorms may be severe with damaging Winds and large hail in the evening. Lows in the upper 60s. Southwest wind 5 to 10 Mph. Chance of rain 20 percent. Highest heat index Readings to 97 in the evening.

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Marathon City Temperature Statistics

June Temperature

Wausau Downtown Airport (9.9 miles)

  • Lowest 3 June, 2026

    43.6 °F

  • Average June

    65.7 °F

  • Highest 4 June, 2026

    83.6 °F

Climate (2021–2026)

Wausau Downtown Airport (9.9 miles)

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  • Average Low 2021–2026

    37.3 °F

  • Average 2021–2026

    46.6 °F

  • Average High 2021–2026

    55.9 °F
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