Isle of Ferns Park Weather Forecast

    • 62
    • 86

    Increasing Clouds

    • 59
    • 83

    Chance Rain Showers

    • 58
    • 81

    Rain Showers Likely

    • 62
    • 79

    Rain Showers Likely

    • 55
    • 79

    Mostly Sunny

    • 57
    • 79

    Partly Sunny

Today 12 Aug Marathon

Partly cloudy in the morning then clearing. Highs in the middle 80s. Light and variable wind.

Tonight 12 Aug Marathon

Mostly clear in the evening then becoming mostly cloudy. Lows in the lower 60s. Light and variable wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Isle of Ferns Park Temperature Statistics

August Temperature

Wausau Downtown Airport (1.2 miles)

  • Lowest 6 August, 2026

    53.7 °F

  • Average August

    71.3 °F

  • Highest 1 August, 2026

    87.7 °F

Climate (2021–2026)

Wausau Downtown Airport (1.2 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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