Patterson Lake Weather Forecast

    • 6
    • 14

    Partly Sunny

    • 11
    • 16

    Mostly Cloudy

    • 19
    • 25

    Snow Showers Likely

    • 14
    • 25

    Chance Snow Showers

    • 10
    • 19

    Slight Chance Snow Showers

    • 10
    • 20

    Mostly Cloudy

Today 6 Dec Keweenaw

Mostly cloudy with a 20 percent chance of snow Showers. Near steady temperature around 13. North Winds 10 to 20 Mph with Gusts up to 30 Mph, becoming northwest 5 to 15 Mph this afternoon.

Tonight 6 Dec Keweenaw

Mostly cloudy with a 50 percent chance of snow Showers. Lows around 5 above inland to around 11 at the shore. Northwest Winds 5 to 15 Mph with Gusts up to 25 Mph.

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Patterson Lake Temperature Statistics

December Temperature

Copper Harbor (55.9 miles)

  • Lowest 4 December, 2025

    10.9 °F

  • Average December

    18.7 °F

  • Highest 3 December, 2025

    28 °F

Climate (2020–Present)

Copper Harbor (55.9 miles)

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  • Average Low 2020–2025

    38.7 °F

  • Average 2020–2025

    44.9 °F

  • Average High 2020–2025

    51.1 °F
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