Agate Harbor Weather Forecast

    • 22
    • 24

    Snow Showers

    • 20
    • 30

    Blustery

    • 20
    • 26

    Blustery

    • 17
    • 25

    Snow Showers Likely

    • 13
    • 24

    Blustery

    • 15
    • 20

    Blustery

Today 8 Dec Keweenaw

Mostly cloudy with a 20 percent chance of snow Showers. Warmer with Highs in the lower 20s. Southwest Winds 5 to 15 Mph with Gusts up to 25 Mph.

Tonight 8 Dec Keweenaw

Snow Showers. Snow accumulation of 2 to 4 Inches. Lows 18 to 23. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of snow 90 percent.

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Agate Harbor Temperature Statistics

December Temperature

Copper Harbor (8.7 miles)

  • Lowest 4 December, 2025

    10.9 °F
  • Average December

    18.7 °F
  • Highest 3 December, 2025

    28 °F

Climate (2020–Present)

Copper Harbor (8.7 miles)

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  • Average Low 2020–2025

    38.7 °F
  • Average 2020–2025

    44.9 °F
  • Average High 2020–2025

    51.1 °F
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