Union Bay Weather Forecast

    • 55
    • 66

    Rain Showers

    • 64
    • 76

    Rain Showers

    • 63
    • 82

    Chance Thunderstorms

    • 53
    • 72

    Chance Rain Showers

    • 52
    • 62

    Chance Rain Showers

    • 52
    • 62

    Rain Showers Likely

Today 20 Jun Ontonagon

Warmer. Scattered Showers in the Morning, then isolated Showers and Thunderstorms in the afternoon. Mostly cloudy. Highs around 79 inland to around 71 at the shore. South Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 20 Jun Ontonagon

Mostly cloudy with isolated Showers and Thunderstorms. Patchy fog. Near steady temperature in the mid 50s. Light southeast Winds. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Union Bay Temperature Statistics

June Temperature

Ironwood, Gogebic-Iron County Airport (31.7 miles)

  • Lowest 1 June, 2025

    32 °F

  • Average June

    59.5 °F

  • Highest 2 June, 2025

    84.9 °F

Climate (2020–Present)

Ironwood, Gogebic-Iron County Airport (31.7 miles)

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  • Average Low 2020–2025

    32.7 °F

  • Average 2020–2025

    42.4 °F

  • Average High 2020–2025

    51.3 °F
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