Patterson Lake Weather Forecast

    • 35
    • 43

    Chance Rain Showers

    • 36
    • 43

    Rain Showers Likely

    • 35
    • 42

    Rain Showers Likely

    • 34
    • 44

    Partly Sunny

    • 35
    • 43

    Mostly Cloudy

    • 36
    • 43

    Chance Rain Showers

Today 22 Apr Keweenaw

Sunny. Highs in the lower 50s. Southeast Winds 5 to 10 Mph.

Tonight 22 Apr Keweenaw

Mostly clear in the Evening, then mostly cloudy with a slight chance of rain Showers and Thunderstorms after midnight. Lows around 38. East Winds 5 to 15 Mph, becoming southeast after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Patterson Lake Temperature Statistics

April Temperature

Copper Harbor (55.9 miles)

  • Lowest 7 April, 2026

    16 °F

  • Average April

    34 °F

  • Highest 17 April, 2026

    57.9 °F

Climate (2021–Present)

Copper Harbor (55.9 miles)

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  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    44.6 °F

  • Average High 2021–2026

    50.8 °F
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