Big Bay Weather Forecast

    • 7
    • 24

    Decreasing Clouds

    • 0
    • 14

    Partly Sunny

    • 4
    • 14

    Partly Sunny

    • 13
    • 22

    Snow Likely

    • 14
    • 25

    Snow Likely

    • 7
    • 20

    Slight Chance Snow

    • 6
    • 17

    Mostly Cloudy

Today 5 Dec Southern Cook/North Shore

Mostly cloudy with a chance of Flurries. Near steady temperature in the lower 20s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 5 Dec Southern Cook/North Shore

Mostly cloudy. A chance of Flurries late this evening. Cooler with Lows around 2 above. Northwest Winds 5 to 10 Mph with Gusts up to 25 Mph. Wind chill Values as low as 9 below.

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Big Bay Temperature Statistics

December Temperature

Grand Marais, The Bay of Grand Marais (20.5 miles)

  • Lowest 3 December, 2025

    1.9 °F

  • Average December

    16.9 °F

  • Highest 2 December, 2025

    28 °F

Climate (2020–Present)

Grand Marais, The Bay of Grand Marais (20.5 miles)

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  • Average Low 2020–2025

    34 °F

  • Average 2020–2025

    41.4 °F

  • Average High 2020–2025

    48.6 °F
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