Grand Marais/Cook County Airport Weather Forecast

    • 58
    • 75

    Partly Sunny

    • 52
    • 75

    Partly Sunny

    • 47
    • 63

    Slight Chance Rain Showers

    • 47
    • 61

    Chance Rain Showers

    • 51
    • 62

    Chance Rain Showers

    • 52
    • 65

    Chance Rain Showers

    • 49
    • 66

    Chance Rain Showers

Today 16 Sep Southern Cook/North Shore

Sunny. Near steady temperature in the mid 70s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 16 Sep Southern Cook/North Shore

Mostly clear with a slight chance of Showers and Thunderstorms. Lows in the upper 50s. West Winds around 5 Mph. Chance of rain 20 percent.

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Grand Marais/Cook County Airport Temperature Statistics

September Temperature

Grand Marais/Cook County Airport (0 miles)

  • Lowest 8 September, 2025

    35.6 °F

  • Average September

    52.7 °F

  • Highest 1 September, 2025

    75.2 °F

Climate (2020–Present)

Grand Marais/Cook County Airport (0 miles)

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  • Average Low 2020–2025

    28.7 °F

  • Average 2020–2025

    38.1 °F

  • Average High 2020–2025

    46.7 °F
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