Big Bay Weather Forecast

    • 44
    • 60

    Mostly Cloudy

    • 46
    • 60

    Rain Showers

    • 49
    • 66

    Rain Showers Likely

    • 52
    • 70

    Chance Thunderstorms

    • 52
    • 73

    Chance Rain Showers

    • 52
    • 73

    Chance Rain Showers

Today 27 Jun Southern Cook/North Shore

Mostly sunny. Highs in the lower 70s. East Winds 5 to 10 Mph.

Tonight 27 Jun Southern Cook/North Shore

Mostly cloudy. Lows around 50. East Winds 5 to 10 Mph.

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  • Temperature Real-Time

Big Bay Temperature Statistics

June Temperature

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

  • Lowest 11 June, 2026

    37.9 °F

  • Average June

    49.2 °F

  • Highest 14 June, 2026

    71.1 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    40.9 °F

  • Average High 2021–2026

    48.1 °F
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