Grand Marais/Cook County Airport Weather Forecast

    • 46
    • 65

    Partly Sunny

    • 47
    • 63

    Slight Chance Rain Showers

    • 46
    • 61

    Mostly Cloudy

    • 47
    • 63

    Chance Rain Showers

    • 45
    • 61

    Rain Showers Likely

    • 43
    • 62

    Chance Rain Showers

Today 25 Sep Southern Cook/North Shore

Mostly sunny. Not as cool with Highs in the mid 60s. Southwest Winds around 5 Mph, becoming south this afternoon.

Tonight 25 Sep Southern Cook/North Shore

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 40s. East Winds around 5 Mph.

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Grand Marais/Cook County Airport Temperature Statistics

September Temperature

Grand Marais/Cook County Airport (0 miles)

  • Lowest 22 September, 2026

    28.4 °F

  • Average September

    56.1 °F

  • Highest 1 September, 2026

    77 °F

Climate (2021–2026)

Grand Marais/Cook County Airport (0 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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