O'Brien Lake Weather Forecast

    • 29
    • 44

    Chance Rain/Snow

    • 25
    • 40

    Chance Rain/Snow

    • 34
    • 45

    Mostly Cloudy

    • 29
    • 48

    Mostly Sunny

    • 35
    • 50

    Mostly Cloudy

    • 27
    • 47

    Slight Chance Rain Showers

Today 31 Oct Iron

Partly sunny this Morning, then becoming mostly cloudy. A chance of Flurries this morning. A chance of rain Showers. Highs in the mid 40s. West Winds around 5 Mph, becoming north around 5 Mph this afternoon. Chance of precipitation 50 percent.

Tonight 31 Oct Iron

Mostly cloudy with a chance of rain Showers. A chance of snow Showers after midnight. Little or no snow accumulation. Lows in the upper 20s. Northeast Winds around 5 Mph. Chance of precipitation 50 percent.

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  • Temperature Real-Time

O'Brien Lake Temperature Statistics

October Temperature

Ironwood, Gogebic-Iron County Airport (20.5 miles)

  • Lowest 29 October, 2025

    26.1 °F

  • Average October

    50.2 °F

  • Highest 4 October, 2025

    84.9 °F

Climate (2020–Present)

Ironwood, Gogebic-Iron County Airport (20.5 miles)

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  • Average Low 2020–2025

    32.9 °F

  • Average 2020–2025

    42.8 °F

  • Average High 2020–2025

    51.6 °F
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