Ontonagon Weather Forecast

    • 63
    • 76

    Becoming Sunny

    • 66
    • 83

    Rain Showers Likely

    • 62
    • 81

    Chance Rain Showers

    • 63
    • 85

    Chance Thunderstorms

    • 58
    • 75

    Slight Chance Thunderstorms

    • 58
    • 72

    Partly Sunny

    • 60
    • 74

    Partly Sunny

Today 23 Jul Ontonagon

Sunny. West Winds 5 to 10 Mph with Gusts up to 30 Mph.

Tonight 23 Jul Ontonagon

Clear. Lows in the upper 50s. Southwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Ontonagon Temperature Statistics

July Temperature

Houghton County Memorial Airport (44.1 miles)

  • Lowest 6 July, 2026

    46 °F

  • Average July

    69 °F

  • Highest 13 July, 2026

    91.9 °F

Climate (2021–2026)

Houghton County Memorial Airport (44.1 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    44 °F

  • Average High 2021–2026

    52 °F
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