Rock Harbor Weather Forecast

    • -10
    • 3

    Chance Snow Showers

    • -11
    • -3

    Chance Snow Showers

    • -13
    • -5

    Chance Snow Showers

    • -2
    • 4

    Chance Snow Showers

    • 6
    • 16

    Mostly Cloudy

    • 8
    • 16

    Mostly Cloudy

Today 18 Jan Keweenaw

Breezy and much Colder. Snow Showers. Heavy freezing spray in the morning. Patchy blowing snow. Snow accumulation around an inch. Highs 1 to 6 above inland to around 11 at the shore. Temperature falling to zero to 5 above in the afternoon. Northwest Winds 15 to 25 Mph. Gusts up to 40 Mph in the morning. Chance of snow 80 percent.

Tonight 18 Jan Keweenaw

Cold. Snow Showers. Heavy freezing spray in the evening. Patchy blowing snow. Snow accumulation around an inch. Lows 8 below to 13 below zero inland to around 2 below at the shore. Northwest Winds 10 to 20 Mph with Gusts up to 30 Mph. Chance of snow 90 percent.

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Rock Harbor Temperature Statistics

January Temperature

Copper Harbor (54.1 miles)

  • Lowest 9 January, 2025

    10.9 °F

  • Average January

    21.3 °F

  • Highest 1 January, 2025

    30.9 °F

Climate (2020–Present)

Copper Harbor (54.1 miles)

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  • Average Low 2020–2025

    38.7 °F

  • Average 2020–2025

    44.7 °F

  • Average High 2020–2025

    50.8 °F
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