Marathon City Weather Forecast

    • 38
    • 52

    Decreasing Clouds

    • 37
    • 68

    Mostly Sunny

    • 54
    • 69

    Mostly Sunny

    • 55
    • 75

    Rain Showers

    • 38
    • 64

    Slight Chance Rain Showers

    • 38
    • 59

    Mostly Cloudy

Today 20 Apr Marathon

Mostly sunny in the morning then becoming partly cloudy. Highs in the lower 50s. Southwest wind 10 to 15 Mph.

Tonight 20 Apr Marathon

Not as cool. Mostly clear. Lows in the upper 30s. Southwest wind 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marathon City Temperature Statistics

April Temperature

Wausau Downtown Airport (9.9 miles)

  • Lowest 7 April, 2026

    16.6 °F

  • Average April

    45.4 °F

  • Highest 13 April, 2026

    78.7 °F

Climate (2021–Present)

Wausau Downtown Airport (9.9 miles)

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  • Average Low 2021–2026

    37.4 °F

  • Average 2021–2026

    46.7 °F

  • Average High 2021–2026

    55.9 °F
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