Ontonagon Township Park Weather Forecast

    • 63
    • 73

    Rain Showers

    • 58
    • 69

    Mostly Cloudy

    • 60
    • 74

    Mostly Sunny

    • 66
    • 79

    Partly Sunny

    • 61
    • 77

    Partly Sunny

    • 57
    • 70

    Partly Sunny

Today 18 Aug Ontonagon

A chance of Thunderstorms. Showers likely. Highs 72 to 77. Southeast Winds 5 to 10 Mph, becoming south in the afternoon. Chance of rain 70 percent.

Tonight 18 Aug Ontonagon

Cloudy with a chance of Showers with a slight chance of Thunderstorms. Near steady temperature in the mid 50s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

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Ontonagon Township Park Temperature Statistics

August Temperature

Houghton County Memorial Airport (43.5 miles)

  • Lowest 14 August, 2025

    51.7 °F

  • Average August

    69.8 °F

  • Highest 7 August, 2025

    86.6 °F

Climate (2020–Present)

Houghton County Memorial Airport (43.5 miles)

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  • Average Low 2020–2025

    35.9 °F

  • Average 2020–2025

    44.1 °F

  • Average High 2020–2025

    52.1 °F
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