Herring Bay Weather Forecast

    • 56
    • 61

    Chance Rain Showers

    • 53
    • 66

    Partly Sunny

    • 56
    • 58

    Mostly Cloudy

    • 55
    • 62

    Mostly Cloudy

    • 54
    • 62

    Mostly Cloudy

    • 55
    • 62

    Partly Sunny

    • 56
    • 63

    Partly Sunny

Today 16 Sep Keweenaw

Partly cloudy. Highs around 66.

Tonight 16 Sep Keweenaw

Cloudy. A slight chance of Showers in the evening. Near steady temperature in the mid 50s. Light southeast Winds, becoming south 5 to 10 Mph after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Herring Bay Temperature Statistics

September Temperature

Copper Harbor (57.8 miles)

  • Lowest 14 September, 2026

    46 °F

  • Average September

    64.4 °F

  • Highest 1 September, 2026

    80.1 °F

Climate (2021–2026)

Copper Harbor (57.8 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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