Ontonagon County - Schuster Field Weather Forecast

    • 63
    • 76

    Rain Showers

    • 58
    • 71

    Slight Chance Rain Showers

    • 59
    • 76

    Mostly Sunny

    • 65
    • 81

    Partly Sunny

    • 60
    • 79

    Partly Sunny

    • 56
    • 71

    Partly Sunny

Today 18 Aug Ontonagon

A chance of Thunderstorms. Showers likely. Highs 72 to 77. Southeast Winds 5 to 10 Mph, becoming south in the afternoon. Chance of rain 70 percent.

Tonight 18 Aug Ontonagon

A chance of Showers with a slight chance of Thunderstorms in the Evening, then a slight chance of Showers after midnight. Cloudy. Lows 59 to 64. Light south Winds, becoming northwest after midnight. Chance of rain 50 percent.

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Ontonagon County - Schuster Field Temperature Statistics

August Temperature

Ironwood, Gogebic-Iron County Airport (42.3 miles)

  • Lowest 1 August, 2025

    43 °F

  • Average August

    68.8 °F

  • Highest 7 August, 2025

    84.9 °F

Climate (2020–Present)

Ironwood, Gogebic-Iron County Airport (42.3 miles)

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  • Average Low 2020–2025

    32.7 °F

  • Average 2020–2025

    42.5 °F

  • Average High 2020–2025

    51.3 °F
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