Ontonagon Weather Forecast

    • 54
    • 67

    Partly Sunny

    • 60
    • 74

    Slight Chance Thunderstorms

    • 63
    • 75

    Partly Sunny

    • 67
    • 88

    Mostly Sunny

    • 67
    • 81

    Partly Sunny

    • 61
    • 77

    Partly Sunny

    • 61
    • 74

    Partly Sunny

Today 9 Jul Ontonagon

Sunny. North Winds 5 to 10 Mph.

Tonight 9 Jul Ontonagon

Mostly clear. Patchy fog after midnight. Lows in the lower 50s. Light north Winds.

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Ontonagon Temperature Statistics

July Temperature

Houghton County Memorial Airport (44.1 miles)

  • Lowest 6 July, 2026

    46 °F

  • Average July

    68.3 °F

  • Highest 1 July, 2026

    82.9 °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

    44 °F

  • Average High 2021–2026

    52 °F
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