Ontonagon Weather Forecast

    • 36
    • 46

    Decreasing Clouds

    • 41
    • 57

    Mostly Cloudy

    • 44
    • 60

    Partly Sunny

    • 41
    • 59

    Partly Sunny

    • 42
    • 57

    Chance Rain Showers

    • 39
    • 55

    Chance Rain Showers

Today 24 Oct Ontonagon

Partly cloudy. Highs in the mid 40s. Light northwest Winds.

Tonight 24 Oct Ontonagon

Mostly clear in the Evening, then becoming mostly cloudy. Lows around 29 inland to around 35 at the shore. Light southeast Winds, becoming south after midnight.

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Ontonagon Temperature Statistics

October Temperature

Houghton County Memorial Airport (44.1 miles)

  • Lowest 8 October, 2025

    37 °F

  • Average October

    56 °F

  • Highest 4 October, 2025

    87.1 °F

Climate (2020–Present)

Houghton County Memorial Airport (44.1 miles)

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  • Average Low 2020–2025

    36.1 °F

  • Average 2020–2025

    44.3 °F

  • Average High 2020–2025

    52.3 °F
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