Patterson Lake Weather Forecast

    • 24
    • 33

    Chance Snow Showers

    • 22
    • 31

    Mostly Cloudy

    • 20
    • 30

    Chance Snow Showers

    • 10
    • 25

    Partly Sunny

    • 16
    • 26

    Partly Sunny

    • 22
    • 31

    Partly Sunny

Today 23 Mar Keweenaw

Mostly sunny. Highs in the lower 30s. Northwest Winds 5 to 10 Mph, becoming southwest this afternoon.

Tonight 23 Mar Keweenaw

A slight chance of snow Showers in the Evening, then a chance of snow Showers after midnight. Mostly cloudy. Lows 23 to 28. Temperature rising into the lower 30s after midnight. South Winds 10 to 20 Mph, becoming southwest after midnight. Chance of snow 50 percent.

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Patterson Lake Temperature Statistics

March Temperature

Copper Harbor (55.9 miles)

  • Lowest 1 March, 2026

    1 °F

  • Average March

    28.2 °F

  • Highest 9 March, 2026

    51.1 °F

Climate (2021–Present)

Copper Harbor (55.9 miles)

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  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    44.7 °F

  • Average High 2021–2026

    50.9 °F
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