Wallace Lake Weather Forecast

    • 60
    • 64

    Rain Showers Likely

    • 58
    • 67

    Mostly Cloudy

    • 61
    • 70

    Mostly Sunny

    • 63
    • 71

    Slight Chance Rain Showers

    • 59
    • 73

    Slight Chance Rain Showers

    • 54
    • 64

    Partly Sunny

Today 18 Aug Keweenaw

Showers likely with a slight chance of Thunderstorms this Morning, then Showers likely with a chance of Thunderstorms this afternoon. Highs in the mid 60s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 18 Aug Keweenaw

A slight chance of Thunderstorms in the evening. Cloudy with a chance of Showers. Lows around 61. Southeast Winds 5 to 15 Mph, becoming south 5 to 10 Mph after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

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Wallace Lake Temperature Statistics

August Temperature

Copper Harbor (53.4 miles)

  • Lowest 14 August, 2025

    55.9 °F

  • Average August

    72 °F

  • Highest 8 August, 2025

    86.6 °F

Climate (2020–Present)

Copper Harbor (53.4 miles)

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  • Average Low 2020–2025

    38.5 °F

  • Average 2020–2025

    44.7 °F

  • Average High 2020–2025

    50.8 °F
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