Ontonagon Weather Forecast

    • 48
    • 61

    Mostly Cloudy

    • 50
    • 62

    Partly Sunny

    • 47
    • 61

    Partly Sunny

    • 47
    • 65

    Partly Sunny

    • 50
    • 67

    Partly Sunny

    • 52
    • 71

    Slight Chance Thunderstorms

Today 18 Jun Ontonagon

Sunny. Near steady temperature in the mid 60s. West Winds 10 to 15 Mph.

Tonight 18 Jun Ontonagon

Mostly clear. Lows around 47. West Winds 5 to 10 Mph.

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Ontonagon Temperature Statistics

June Temperature

Houghton County Memorial Airport (44.1 miles)

  • Lowest 1 June, 2026

    41 °F

  • Average June

    60.7 °F

  • Highest 3 June, 2026

    80.1 °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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