Patterson Lake Weather Forecast

    • 42
    • 56

    Mostly Sunny

    • 47
    • 53

    Partly Sunny

    • 43
    • 59

    Partly Sunny

    • 45
    • 54

    Partly Sunny

    • 50
    • 55

    Mostly Cloudy

    • 48
    • 58

    Chance Rain Showers

    • 40
    • 53

    Partly Sunny

Today 19 Oct Keweenaw

Cooler. Partly cloudy. Highs around 46.

Tonight 19 Oct Keweenaw

Clear. Lows around 40. Light east Winds, becoming southeast after midnight.

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Patterson Lake Temperature Statistics

October Temperature

Copper Harbor (55.9 miles)

  • Lowest 5 October, 2026

    37.9 °F

  • Average October

    52.8 °F

  • Highest 11 October, 2026

    77 °F

Climate (2021–2026)

Copper Harbor (55.9 miles)

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  • Average Low 2021–2026

    38.1 °F

  • Average 2021–2026

    44.3 °F

  • Average High 2021–2026

    50.5 °F
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