Ontonagon Weather Forecast

    • -8
    • -1

    Snow Showers

    • -7
    • 1

    Slight Chance Snow

    • -3
    • 9

    Cold

    • 4
    • 11

    Mostly Cloudy

    • 5
    • 14

    Mostly Cloudy

    • 3
    • 11

    Slight Chance Snow

Today 23 Jan Ontonagon

Bitterly cold. Patchy blowing snow in the morning. Snow Showers. Snow accumulation around an inch. Highs 3 below to 8 below zero. West Winds 10 to 15 Mph Inland, except west 10 to 20 Mph near the shore. Chance of snow 80 percent.

Tonight 23 Jan Ontonagon

Bitterly cold. Mostly cloudy with a chance of snow in the Evening, then partly cloudy after midnight. Lows 18 below to 23 below zero inland to around 8 below at the shore. West Winds 5 to 10 Mph. Chance of snow 50 percent.

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Ontonagon Temperature Statistics

January Temperature

Houghton County Memorial Airport (44.1 miles)

  • Lowest 19 January, 2026

    1.9 °F

  • Average January

    22.5 °F

  • Highest 7 January, 2026

    41 °F

Climate (2021–Present)

Houghton County Memorial Airport (44.1 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    44.2 °F

  • Average High 2021–2026

    52.2 °F
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