Big Bay Weather Forecast

    • 34
    • 41

    Rain Showers

    • 35
    • 42

    Rain Showers

    • 36
    • 50

    Partly Sunny

    • 40
    • 49

    Chance Rain Showers

    • 42
    • 54

    Chance Rain Showers

    • 38
    • 53

    Partly Sunny

Today 11 May Southern Cook/North Shore

Sunny. Highs in the upper 40s. South Winds 5 to 10 Mph.

Tonight 11 May Southern Cook/North Shore

Mostly cloudy. A chance of rain Showers after midnight. Cold with Lows in the lower 30s. Southeast Winds around 5 Mph. Gusts up to 20 Mph after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Bay Temperature Statistics

May Temperature

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

  • Lowest 2 May, 2026

    26.1 °F

  • Average May

    39.4 °F

  • Highest 4 May, 2026

    54 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    33.6 °F

  • Average 2021–2026

    41.1 °F

  • Average High 2021–2026

    48.3 °F
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