Ontonagon Weather Forecast

    • 46
    • 70

    Rain Showers

    • 37
    • 56

    Rain Showers Likely

    • 39
    • 51

    Partly Sunny

    • 42
    • 55

    Mostly Cloudy

    • 40
    • 55

    Rain Showers Likely

    • 38
    • 50

    Chance Rain Showers

Today 23 Apr Ontonagon

Partly cloudy. A chance of Showers with a slight chance of Thunderstorms this afternoon. Unseasonably warm with Highs in the upper 70s. South Winds 5 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 23 Apr Ontonagon

Showers with a chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Lows 47 to 52. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 90 percent.

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Ontonagon Temperature Statistics

April Temperature

Houghton County Memorial Airport (44.1 miles)

  • Lowest 7 April, 2026

    6.1 °F

  • Average April

    34.6 °F

  • Highest 16 April, 2026

    64 °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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