Lake Upson Weather Forecast

    • 36
    • 43

    Decreasing Clouds

    • 45
    • 52

    Partly Sunny

    • 49
    • 58

    Mostly Cloudy

    • 49
    • 56

    Cloudy

    • 47
    • 54

    Rain Showers Likely

    • 43
    • 51

    Chance Rain Showers

Today 30 Oct Keweenaw

Mostly sunny. Highs around 43. Northwest Winds 5 to 10 Mph, becoming west in the afternoon.

Tonight 30 Oct Keweenaw

Mostly clear. Lows 34 to 39. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Upson Temperature Statistics

October Temperature

Copper Harbor (7.5 miles)

  • Lowest 27 October, 2026

    32 °F

  • Average October

    52 °F

  • Highest 11 October, 2026

    77 °F

Climate (2021–2026)

Copper Harbor (7.5 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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