Keystone Bay Weather Forecast

    • 13
    • 29

    Slight Chance Snow Showers

    • 20
    • 25

    Snow Showers Likely

    • 17
    • 33

    Chance Snow Showers

    • 11
    • 20

    Blustery

    • 14
    • 18

    Chance Snow Showers

    • 17
    • 24

    Mostly Cloudy

Today 31 Jan Keweenaw

Cloudy. Scattered snow Showers in the Morning, then isolated snow Showers in the afternoon. Colder with Highs in the mid 20s. Temperature falling to between 10 and 15 in the afternoon. Northeast Winds 10 to 20 Mph, becoming north 15 to 20 Mph in the afternoon. Chance of snow 30 percent.

Tonight 31 Jan Keweenaw

Partly cloudy with a slight chance of snow Showers in the Evening, then mostly cloudy after midnight. Lows around 4 above inland to around 10 above at the shore. North Winds 5 to 15 Mph. Chance of snow 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Keystone Bay Temperature Statistics

January Temperature

Copper Harbor (6.8 miles)

  • Lowest 21 January, 2025

    -5.2 °F

  • Average January

    19.5 °F

  • Highest 17 January, 2025

    41.6 °F

Climate (2020–Present)

Copper Harbor (6.8 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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