Siskiwit Lake Weather Forecast

    • 47
    • 49

    Breezy

    • 46
    • 56

    Breezy

    • 46
    • 54

    Mostly Sunny

    • 48
    • 51

    Partly Sunny

    • 48
    • 53

    Chance Rain Showers

    • 48
    • 52

    Partly Sunny

Today 17 Oct Keweenaw

Sunny. Highs around 51. West Winds 10 to 20 Mph with Gusts up to 35 Mph.

Tonight 17 Oct Keweenaw

Breezy. Mostly clear. Lows 41 to 46. Southwest Winds 15 to 25 Mph.

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Siskiwit Lake Temperature Statistics

October Temperature

Copper Harbor (56.5 miles)

  • Lowest 5 October, 2026

    37.9 °F

  • Average October

    54 °F

  • Highest 11 October, 2026

    77 °F

Climate (2021–2026)

Copper Harbor (56.5 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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