Agate Harbor Weather Forecast

    • 27
    • 31

    Chance Snow

    • 13
    • 30

    Windy

    • 10
    • 17

    Windy

    • 14
    • 19

    Slight Chance Snow Showers

    • 27
    • 32

    Mostly Cloudy

    • 31
    • 37

    Breezy

    • 28
    • 36

    Slight Chance Rain/Snow

Today 14 Mar Keweenaw

Partly cloudy. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 14 Mar Keweenaw

Mostly cloudy. A chance of snow. Near steady temperature in the mid 20s. South Winds 5 to 10 Mph, becoming east 5 to 15 Mph with Gusts up to 25 Mph. Chance of snow 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Agate Harbor Temperature Statistics

March Temperature

Copper Harbor (8.7 miles)

  • Lowest 1 March, 2026

    1 °F

  • Average March

    29.2 °F

  • Highest 9 March, 2026

    51.1 °F

Climate (2021–Present)

Copper Harbor (8.7 miles)

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  • Average Low 2021–2026

    38.6 °F

  • Average 2021–2026

    44.7 °F

  • Average High 2021–2026

    51 °F
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