Mary Macdonald Preserve Weather Forecast

    • 59
    • 72

    Thunderstorms Likely

    • 58
    • 71

    Rain Showers Likely

    • 60
    • 73

    Partly Sunny

    • 61
    • 78

    Partly Sunny

    • 60
    • 77

    Slight Chance Thunderstorms

    • 59
    • 75

    Slight Chance Rain Showers

Today 23 Jul Keweenaw

Thunderstorms likely. Showers likely. Highs in the upper 70s. South Winds 5 to 10 Mph, becoming west in the afternoon. Chance of rain 70 percent.

Tonight 23 Jul Keweenaw

A chance of Thunderstorms. Showers. Lows around 60. Light west Winds. Chance of rain 80 percent.

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Mary Macdonald Preserve Temperature Statistics

July Temperature

Copper Harbor (3.1 miles)

  • Lowest 7 July, 2025

    49.6 °F

  • Average July

    64.5 °F

  • Highest 13 July, 2025

    85.6 °F

Climate (2020–Present)

Copper Harbor (3.1 miles)

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  • Average Low 2020–2025

    38.5 °F

  • Average 2020–2025

    44.6 °F

  • Average High 2020–2025

    50.8 °F
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