Belle Harbor Weather Forecast

    • 52
    • 57

    Partly Sunny

    • 56
    • 59

    Chance Rain Showers

    • 54
    • 60

    Chance Rain Showers

    • 54
    • 60

    Mostly Cloudy

    • 54
    • 61

    Mostly Cloudy

    • 54
    • 61

    Partly Sunny

Today 19 Sep Keweenaw

Partly cloudy. Highs around 58. East Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 19 Sep Keweenaw

Partly cloudy. Near steady temperature in the mid 50s. Northeast Winds 5 to 10 Mph, becoming east 5 to 15 Mph.

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Belle Harbor Temperature Statistics

September Temperature

Copper Harbor (57.2 miles)

  • Lowest 4 September, 2025

    46.9 °F

  • Average September

    60.3 °F

  • Highest 16 September, 2025

    81 °F

Climate (2020–Present)

Copper Harbor (57.2 miles)

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  • Average Low 2020–2025

    38.5 °F

  • Average 2020–2025

    44.7 °F

  • Average High 2020–2025

    50.9 °F
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