Ontonagon Weather Forecast

    • 34
    • 46

    Partly Sunny

    • 46
    • 55

    Mostly Cloudy

    • 49
    • 62

    Mostly Cloudy

    • 50
    • 62

    Chance Rain Showers

    • 47
    • 58

    Chance Rain Showers

    • 43
    • 53

    Chance Rain Showers

Today 30 Oct Ontonagon

Mostly sunny. Highs around 50. Light west Winds.

Tonight 30 Oct Ontonagon

Mostly clear. Lows around 29 inland to around 36 at the shore. Light south Winds.

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Ontonagon Temperature Statistics

October Temperature

Houghton County Memorial Airport (44.1 miles)

  • Lowest 9 October, 2026

    30.9 °F

  • Average October

    50.9 °F

  • Highest 10 October, 2026

    84.9 °F

Climate (2021–2026)

Houghton County Memorial Airport (44.1 miles)

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  • Average Low 2021–2026

    35.7 °F

  • Average 2021–2026

    43.9 °F

  • Average High 2021–2026

    51.9 °F
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