Ontonagon Weather Forecast

    • 51
    • 69

    Partly Sunny

    • 56
    • 70

    Partly Sunny

    • 63
    • 76

    Rain Showers Likely

    • 64
    • 78

    Chance Rain Showers

    • 64
    • 77

    Partly Sunny

    • 62
    • 75

    Partly Sunny

Today 27 Aug Ontonagon

Sunny. Northwest Winds 5 to 10 Mph.

Tonight 27 Aug Ontonagon

Partly cloudy. Patchy fog after midnight. Lows in the mid 40s. Light north Winds.

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Ontonagon Temperature Statistics

August Temperature

Houghton County Memorial Airport (44.1 miles)

  • Lowest 24 August, 2026

    46.9 °F

  • Average August

    64.5 °F

  • Highest 6 August, 2026

    82 °F

Climate (2021–2026)

Houghton County Memorial Airport (44.1 miles)

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  • Average Low 2021–2026

    35.8 °F

  • Average 2021–2026

    43.9 °F

  • Average High 2021–2026

    51.9 °F
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