Bay Lake Weather Forecast

    • 56
    • 75

    Mostly Sunny

    • 61
    • 71

    Mostly Sunny

    • 63
    • 80

    Rain Showers

    • 56
    • 73

    Partly Sunny

    • 56
    • 65

    Chance Rain Showers

    • 57
    • 68

    Rain Showers Likely

    • 55
    • 67

    Breezy

Today 9 Sep Keweenaw

Windy, sunny. West Winds 20 to 30 Mph with Gusts up to 50 Mph.

Tonight 9 Sep Keweenaw

Clear. Lows in the mid 50s. Northwest Winds 10 to 20 Mph. Gusts up to 35 Mph early this evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bay Lake Temperature Statistics

September Temperature

Copper Harbor (6.2 miles)

  • Lowest 5 September, 2026

    54 °F

  • Average September

    65.8 °F

  • Highest 1 September, 2026

    80.1 °F

Climate (2021–2026)

Copper Harbor (6.2 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    44.4 °F

  • Average High 2021–2026

    50.6 °F
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