O'Brien Lake Weather Forecast

    • 40
    • 58

    Mostly Cloudy

    • 45
    • 62

    Mostly Cloudy

    • 40
    • 59

    Rain

    • 32
    • 52

    Mostly Cloudy

    • 30
    • 49

    Partly Sunny

    • 30
    • 50

    Partly Sunny

Today 25 Apr Iron

Partly sunny this Morning, then mostly cloudy with a chance of Sprinkles this afternoon. Highs in the upper 50s. Northeast Winds around 5 Mph.

Tonight 25 Apr Iron

Mostly cloudy. Not as cool with Lows around 40. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

O'Brien Lake Temperature Statistics

April Temperature

Ironwood, Gogebic-Iron County Airport (20.5 miles)

  • Lowest 7 April, 2026

    7 °F

  • Average April

    36.5 °F

  • Highest 17 April, 2026

    78.1 °F

Climate (2021–Present)

Ironwood, Gogebic-Iron County Airport (20.5 miles)

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  • Average Low 2021–2026

    32.8 °F

  • Average 2021–2026

    42.6 °F

  • Average High 2021–2026

    51.4 °F
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