Ontonagon Weather Forecast

    • 35
    • 49

    Chance Rain Showers

    • 39
    • 59

    Partly Sunny

    • 36
    • 51

    Partly Sunny

    • 34
    • 49

    Mostly Sunny

    • 36
    • 50

    Partly Sunny

    • 38
    • 56

    Chance Rain Showers

Today 7 May Ontonagon

Mostly cloudy. A chance of rain Showers in the afternoon. Highs around 50. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 40 percent.

Tonight 7 May Ontonagon

A chance of Sprinkles in the evening. Mostly clear. Lows 30 to 35. Light southwest Winds.

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  • Temperature Real-Time

Ontonagon Temperature Statistics

May Temperature

Houghton County Memorial Airport (44.1 miles)

  • Lowest 2 May, 2026

    30 °F

  • Average May

    43.6 °F

  • Highest 3 May, 2026

    57.9 °F

Climate (2021–Present)

Houghton County Memorial Airport (44.1 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    44.1 °F

  • Average High 2021–2026

    52.1 °F
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