Lake Superior Weather Forecast

    • 66
    • 72

    Mostly Sunny

    • 66
    • 72

    Partly Sunny

    • 63
    • 71

    Partly Sunny

    • 65
    • 72

    Partly Sunny

    • 67
    • 74

    Chance Thunderstorms

    • 67
    • 74

    Chance Thunderstorms

Today 2 Aug Southern Cook/North Shore

Mostly sunny. Areas of smoke. Highs in the upper 70s. West Winds 5 to 10 Mph.

Tonight 2 Aug Southern Cook/North Shore

Partly cloudy. Areas of smoke. Lows in the mid 50s. Northwest Winds around 5 Mph.

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Lake Superior Temperature Statistics

August Temperature

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

  • Lowest

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  • Average August

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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

    41.2 °F

  • Average High 2020–2025

    48.3 °F
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