Otter Lake Weather Forecast

    • 41
    • 52

    Rain Showers

    • 32
    • 57

    Mostly Sunny

    • 35
    • 56

    Partly Sunny

    • 44
    • 61

    Partly Sunny

    • 39
    • 64

    Partly Sunny

    • 36
    • 60

    Partly Sunny

Today 3 Oct Southern Cook/North Shore

Showers likely. Near steady temperature in the lower 50s. Southeast Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 3 Oct Southern Cook/North Shore

Mostly cloudy. Showers in the evening. Lows in the lower 40s. South Winds 5 to 10 Mph, becoming northwest 10 to 15 Mph after midnight. Gusts up to 30 Mph. Chance of rain 80 percent.

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Otter Lake Temperature Statistics

October Temperature

Grand Marais/Cook County Airport (20.5 miles)

  • Lowest 1 October, 2026

    44.6 °F

  • Average October

    52.6 °F

  • Highest 1 October, 2026

    60.8 °F

Climate (2021–2026)

Grand Marais/Cook County Airport (20.5 miles)

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  • Average Low 2021–2026

    28.7 °F

  • Average 2021–2026

    38 °F

  • Average High 2021–2026

    46.5 °F
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