Brockway Mountain Wildlife Sanctuary Weather Forecast

    • 53
    • 76

    Slight Chance Thunderstorms

    • 48
    • 70

    Partly Sunny

    • 44
    • 63

    Mostly Sunny

    • 44
    • 58

    Mostly Sunny

    • 45
    • 59

    Partly Sunny

    • 45
    • 58

    Partly Sunny

Today 25 May Keweenaw

Mostly sunny. Warmer with Highs in the mid 70s. Southwest Winds 5 to 10 Mph.

Tonight 25 May Keweenaw

Mostly cloudy with a slight chance of rain Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows 44 to 49 inland to around 56 at the shore. Southwest Winds 5 to 10 Mph, becoming west 5 to 15 Mph after midnight. Chance of rain 20 percent.

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Brockway Mountain Wildlife Sanctuary Temperature Statistics

May Temperature

Copper Harbor (6.2 miles)

  • Lowest 8 May, 2026

    30 °F

  • Average May

    43.5 °F

  • Highest 15 May, 2026

    79 °F

Climate (2021–Present)

Copper Harbor (6.2 miles)

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  • Average Low 2021–2026

    38.4 °F

  • Average 2021–2026

    44.5 °F

  • Average High 2021–2026

    50.7 °F
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