Herring Bay Weather Forecast

    • 53
    • 68

    Mostly Cloudy

    • 45
    • 62

    Partly Sunny

    • 44
    • 58

    Mostly Sunny

    • 47
    • 58

    Chance Rain Showers

    • 42
    • 57

    Mostly Sunny

    • 46
    • 55

    Partly Sunny

    • 49
    • 59

    Slight Chance Rain Showers

Today 30 Sep Keweenaw

Partly cloudy. Highs around 61.

Tonight 30 Sep Keweenaw

Mostly cloudy. Patchy fog. Lows in the mid 50s. Southwest Winds 5 to 10 Mph, becoming west with Gusts up to 20 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Herring Bay Temperature Statistics

September Temperature

Copper Harbor (57.8 miles)

  • Lowest 22 September, 2026

    39.9 °F

  • Average September

    60.3 °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

    50.5 °F
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