Grand Marais Lake Weather Forecast

    • 65
    • 76

    Increasing Clouds

    • 69
    • 81

    Rain Showers Likely

    • 65
    • 81

    Chance Thunderstorms

    • 65
    • 81

    Partly Sunny

    • 66
    • 81

    Partly Sunny

    • 67
    • 84

    Partly Sunny

Today 22 Jul Southeast Chippewa

Mostly sunny. Highs in the mid 70s. Southeast Winds 5 to 15 Mph.

Tonight 22 Jul Southeast Chippewa

Partly cloudy. Lows in the lower 60s. South Winds 5 to 10 Mph with Gusts to around 25 Mph.

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  • Temperature Real-Time

Grand Marais Lake Temperature Statistics

July Temperature

Drummond Island Airport (6.8 miles)

  • Lowest 4 July, 2025

    47.1 °F

  • Average July

    67.9 °F

  • Highest 5 July, 2025

    87.6 °F

Climate (2020–Present)

Drummond Island Airport (6.8 miles)

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  • Average Low 2020–2025

    36.6 °F

  • Average 2020–2025

    44.9 °F

  • Average High 2020–2025

    52.7 °F
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