Agate Harbor Weather Forecast

    • 48
    • 55

    Becoming Sunny

    • 53
    • 59

    Rain

    • 54
    • 66

    Rain Showers Likely

    • 48
    • 60

    Chance Rain Showers

    • 46
    • 54

    Chance Rain Showers

    • 47
    • 54

    Mostly Cloudy

Today 15 Oct Keweenaw

Partly cloudy this Morning, then clearing. Highs in the mid 50s. Light west Winds, becoming southwest this afternoon.

Tonight 15 Oct Keweenaw

Clear. Lows 42 to 47. Light southwest Winds, becoming south after midnight.

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  • Temperature Real-Time

Agate Harbor Temperature Statistics

October Temperature

Copper Harbor (8.7 miles)

  • Lowest 8 October, 2025

    39.9 °F

  • Average October

    58.9 °F

  • Highest 4 October, 2025

    82.9 °F

Climate (2020–Present)

Copper Harbor (8.7 miles)

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  • Average Low 2020–2025

    38.6 °F

  • Average 2020–2025

    44.8 °F

  • Average High 2020–2025

    51 °F
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