Big Bay Weather Forecast

    • 53
    • 66

    Partly Sunny

    • 49
    • 64

    Becoming Sunny

    • 47
    • 64

    Partly Sunny

    • 48
    • 71

    Partly Sunny

    • 47
    • 68

    Partly Sunny

    • 48
    • 69

    Chance Rain Showers

    • 49
    • 70

    Partly Sunny

Today 12 Jun Keweenaw

Breezy. Mostly sunny with a 20 percent chance of Showers. West Winds 15 to 25 Mph with Gusts up to 40 Mph.

Tonight 12 Jun Keweenaw

Mostly clear. Lows in the mid 50s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Bay Temperature Statistics

June Temperature

Copper Harbor (6.2 miles)

  • Lowest 6 June, 2026

    44.1 °F

  • Average June

    58.4 °F

  • Highest 2 June, 2026

    75.9 °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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