Wallace Lake Weather Forecast

    • 48
    • 56

    Increasing Clouds

    • 47
    • 56

    Decreasing Clouds

    • 51
    • 57

    Mostly Sunny

    • 50
    • 59

    Mostly Sunny

    • 53
    • 62

    Mostly Cloudy

    • 54
    • 64

    Partly Sunny

    • 55
    • 66

    Mostly Cloudy

Today 20 Sep Keweenaw

A chance of Showers in the morning. Mostly cloudy. Highs 64 to 69. Chance of rain 30 percent.

Tonight 20 Sep Keweenaw

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 40s. Northeast Winds 5 to 10 Mph, becoming east with Gusts up to 20 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Wallace Lake Temperature Statistics

September Temperature

Copper Harbor (53.4 miles)

  • Lowest 14 September, 2026

    46 °F

  • Average September

    62.9 °F

  • Highest 1 September, 2026

    80.1 °F

Climate (2021–2026)

Copper Harbor (53.4 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    44.4 °F

  • Average High 2021–2026

    50.5 °F
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