Agate Harbor Weather Forecast

    • 33
    • 39

    Increasing Clouds

    • 42
    • 53

    Chance Rain Showers

    • 25
    • 48

    Rain Showers Likely

    • 26
    • 32

    Breezy

    • 31
    • 37

    Mostly Cloudy

    • 28
    • 38

    Slight Chance Snow Showers

    • 25
    • 35

    Chance Snow Showers

Today 13 Mar Keweenaw

Partly cloudy. East Winds 5 to 10 Mph.

Tonight 13 Mar Keweenaw

Mostly cloudy. Lows around 30. East Winds 5 to 15 Mph, becoming southeast after midnight.

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Agate Harbor Temperature Statistics

March Temperature

Copper Harbor (8.7 miles)

  • Lowest 8 March, 2025

    7 °F

  • Average March

    28.9 °F

  • Highest 9 March, 2025

    52 °F

Climate (2020–Present)

Copper Harbor (8.7 miles)

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  • Average Low 2020–2025

    38.6 °F

  • Average 2020–2025

    44.6 °F

  • Average High 2020–2025

    50.7 °F
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