Lake Superior Weather Forecast

    • 52
    • 59

    Decreasing Clouds

    • 49
    • 58

    Slight Chance Rain Showers

    • 49
    • 55

    Partly Sunny

    • 50
    • 54

    Mostly Cloudy

    • 53
    • 59

    Mostly Cloudy

    • 47
    • 57

    Chance Rain Showers

Today 6 Oct Southern Cook/North Shore

Partly sunny. Warmer with Highs in the upper 60s. South Winds 5 to 10 Mph, becoming west this afternoon.

Tonight 6 Oct Southern Cook/North Shore

Mostly clear. Lows in the mid 40s. Northwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

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  • Temperature Real-Time

Lake Superior Temperature Statistics

October Temperature

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

  • Lowest 2 October, 2026

    41 °F

  • Average October

    52 °F

  • Highest 1 October, 2026

    66.9 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    33.2 °F

  • Average 2021–2026

    40.6 °F

  • Average High 2021–2026

    47.8 °F
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