Ontonagon Weather Forecast

    • 17
    • 26

    Mostly Cloudy

    • 6
    • 26

    Blustery

    • 8
    • 14

    Mostly Cloudy

    • 8
    • 17

    Chance Snow Showers

    • 17
    • 26

    Slight Chance Wintry Mix

    • 28
    • 40

    Mostly Cloudy

    • 22
    • 36

    Chance Wintry Mix

Today 11 Dec Ontonagon

Mostly cloudy. Light west Winds.

Tonight 11 Dec Ontonagon

Mostly cloudy. Lows 9 to 14 above. Light southwest Winds.

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Ontonagon Temperature Statistics

December Temperature

Houghton County Memorial Airport (44.1 miles)

  • Lowest 4 December, 2025

    8.1 °F

  • Average December

    17.2 °F

  • Highest 5 December, 2025

    27 °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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