Union Bay Weather Forecast

    • 47
    • 62

    Rain Showers

    • 45
    • 49

    Rain Showers

    • 43
    • 49

    Rain Showers

    • 42
    • 49

    Partly Sunny

    • 45
    • 55

    Partly Sunny

    • 48
    • 60

    Partly Sunny

Today 20 Oct Ontonagon

Cloudy with a 50 percent chance of Showers. Warmer. Near steady temperature in the upper 50s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 20 Oct Ontonagon

Rain Showers in the Evening, then a chance of rain Showers after midnight. Lows 37 to 42. Inland, south Winds 5 to 10 Mph, becoming west after midnight. Near the Shore, south Winds 5 to 15 Mph, becoming west 10 to 20 Mph after midnight. Chance of rain 100 percent.

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Union Bay Temperature Statistics

October Temperature

Ironwood, Gogebic-Iron County Airport (31.7 miles)

  • Lowest 8 October, 2025

    27 °F

  • Average October

    55.3 °F

  • Highest 4 October, 2025

    84.9 °F

Climate (2020–Present)

Ironwood, Gogebic-Iron County Airport (31.7 miles)

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  • Average Low 2020–2025

    32.9 °F

  • Average 2020–2025

    42.7 °F

  • Average High 2020–2025

    51.5 °F
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