Ontonagon Weather Forecast

    • 56
    • 80

    Chance Thunderstorms

    • 51
    • 75

    Chance Rain Showers

    • 52
    • 71

    Partly Sunny

    • 56
    • 84

    Mostly Sunny

    • 58
    • 88

    Chance Rain Showers

    • 57
    • 84

    Chance Rain Showers

Today 4 Jun Ontonagon

Cloudy with a chance of Showers. A chance of Thunderstorms this afternoon. Very warm with Highs in the lower 80s. South Winds 5 to 10 Mph, becoming southwest this afternoon. Chance of rain 50 percent.

Tonight 4 Jun Ontonagon

Mostly cloudy with a chance of Showers. A chance of Thunderstorms in the Evening, then a slight chance of Thunderstorms after midnight. Lows around 60. South Winds 5 to 10 Mph, becoming light southwest after midnight. Chance of rain 50 percent.

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Ontonagon Temperature Statistics

June Temperature

Houghton County Memorial Airport (44.1 miles)

  • Lowest 1 June, 2026

    41 °F

  • Average June

    59.5 °F

  • Highest 2 June, 2026

    78.1 °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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