Ontonagon Weather Forecast

    • 48
    • 62

    Decreasing Clouds

    • 52
    • 66

    Mostly Cloudy

    • 59
    • 75

    Partly Sunny

    • 65
    • 85

    Chance Thunderstorms

    • 66
    • 91

    Rain Showers Likely

    • 64
    • 87

    Rain Showers Likely

Today 25 Jun Ontonagon

Mostly sunny. Highs around 70. Northeast Winds 5 to 10 Mph, becoming light north this afternoon.

Tonight 25 Jun Ontonagon

Mostly clear. Lows around 47. Light north Winds, becoming south after midnight.

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Ontonagon Temperature Statistics

June Temperature

Houghton County Memorial Airport (44.1 miles)

  • Lowest 1 June, 2026

    41 °F

  • Average June

    59.2 °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

    35.8 °F

  • Average 2021–2026

    44 °F

  • Average High 2021–2026

    52 °F
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