Patterson Lake Weather Forecast

    • 39
    • 48

    Mostly Cloudy

    • 40
    • 50

    Mostly Cloudy

    • 39
    • 54

    Partly Sunny

    • 39
    • 55

    Partly Sunny

    • 40
    • 55

    Partly Sunny

    • 42
    • 58

    Partly Sunny

Today 23 May Keweenaw

Cloudy with a 30 percent chance of rain Showers. Highs in the upper 40s. North Winds 10 to 15 Mph.

Tonight 23 May Keweenaw

Mostly cloudy with a chance of Sprinkles. Lows 36 to 41. North Winds 5 to 10 Mph, becoming light northwest after midnight.

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Patterson Lake Temperature Statistics

May Temperature

Copper Harbor (55.9 miles)

  • Lowest 8 May, 2025

    33.7 °F

  • Average May

    50.2 °F

  • Highest 13 May, 2025

    82.7 °F

Climate (2020–Present)

Copper Harbor (55.9 miles)

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  • Average Low 2020–2025

    38.6 °F

  • Average 2020–2025

    44.7 °F

  • Average High 2020–2025

    50.8 °F
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