Cannonball Bay Weather Forecast

    • 18
    • 18

    Snow

    • 0
    • 27

    Slight Chance Snow

    • 7
    • 19

    Partly Sunny

    • 20
    • 32

    Chance Snow

    • 12
    • 29

    Mostly Cloudy

    • 24
    • 33

    Mostly Cloudy

Today 19 Dec Southern Cook/North Shore

Mostly sunny. Much cooler with Highs around 13. North Winds 10 to 15 Mph with Gusts up to 40 Mph, becoming south 5 to 10 Mph with Gusts up to 20 Mph this afternoon. Wind chill Values as low as 29 below.

Tonight 19 Dec Southern Cook/North Shore

Patchy blowing snow in the evening. Snow likely in the Evening, then snow after midnight. Snow may be heavy at Times in the evening. Snow accumulation of 2 to 4 Inches. Not as cool with Lows around 13. South Winds 10 to 15 Mph with Gusts up to 35 Mph. Chance of snow 80 percent. Wind chill Values as low as 5 below.

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Cannonball Bay Temperature Statistics

December Temperature

Grand Marais, The Bay of Grand Marais (24.2 miles)

  • Lowest 13 December, 2025

    -9 °F

  • Average December

    15.3 °F

  • Highest 16 December, 2025

    44.1 °F

Climate (2020–Present)

Grand Marais, The Bay of Grand Marais (24.2 miles)

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  • Average Low 2020–2025

    33.8 °F

  • Average 2020–2025

    41.3 °F

  • Average High 2020–2025

    48.5 °F
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