Sucker Bay Weather Forecast

    • 58
    • 60

    Mostly Cloudy

    • 58
    • 61

    Partly Sunny

    • 57
    • 63

    Chance Rain Showers

    • 56
    • 61

    Rain Showers Likely

    • 57
    • 62

    Chance Rain Showers

    • 55
    • 63

    Mostly Cloudy

Today 4 Sep Keweenaw

Mostly cloudy with a 50 percent chance of Showers. Highs 64 to 69 inland to around 71 at the shore. East Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 4 Sep Keweenaw

A slight chance of Showers in the evening. Mostly cloudy. Lows around 60. East Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northeast after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sucker Bay Temperature Statistics

September Temperature

Copper Harbor (55.3 miles)

  • Lowest 1 September, 2026

    63 °F

  • Average September

    70.2 °F

  • Highest 1 September, 2026

    80.1 °F

Climate (2021–2026)

Copper Harbor (55.3 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    44.4 °F

  • Average High 2021–2026

    50.5 °F
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