Lake Superior Weather Forecast

    • 19
    • 31

    Slight Chance Snow Showers

    • 28
    • 34

    Chance Snow Showers

    • 37
    • 42

    Mostly Cloudy

    • 42
    • 49

    Rain Showers

    • 24
    • 48

    Rain Showers

    • 23
    • 34

    Breezy

    • 30
    • 39

    Mostly Cloudy

Today 11 Mar Southern Cook/North Shore

Mostly sunny and much cooler. Near steady temperature in the mid 20s. West Winds 5 to 10 Mph.

Tonight 11 Mar Southern Cook/North Shore

Mostly cloudy. A chance of snow. Little or no snow accumulation. Near steady temperature around 19. South Winds around 5 Mph. Chance of snow 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Superior Temperature Statistics

March Temperature

Grand Marais, The Bay of Grand Marais (28 miles)

  • Lowest 1 March, 2025

    1.9 °F

  • Average March

    25.7 °F

  • Highest 9 March, 2025

    59 °F

Climate (2020–Present)

Grand Marais, The Bay of Grand Marais (28 miles)

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  • Average Low 2020–2025

    33.8 °F

  • Average 2020–2025

    41.1 °F

  • Average High 2020–2025

    48.2 °F
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