Beaver Lake Weather Forecast

    • 60
    • 66

    Mostly Sunny

    • 59
    • 74

    Rain Showers

    • 55
    • 69

    Partly Sunny

    • 56
    • 65

    Partly Sunny

    • 56
    • 64

    Rain Showers Likely

    • 55
    • 66

    Breezy

Today 10 Sep Keweenaw

Sunny. Highs 68 to 73. Northwest Winds 5 to 10 Mph, becoming southwest in the afternoon.

Tonight 10 Sep Keweenaw

Mostly clear. Lows 56 to 61. South Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Beaver Lake Temperature Statistics

September Temperature

Copper Harbor (58.4 miles)

  • Lowest 5 September, 2026

    54 °F

  • Average September

    65.8 °F

  • Highest 1 September, 2026

    80.1 °F

Climate (2021–2026)

Copper Harbor (58.4 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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