Grand Portage State Park Weather Forecast

    • 60
    • 80

    Partly Sunny

    • 54
    • 74

    Rain Showers Likely

    • 54
    • 77

    Partly Sunny

    • 56
    • 76

    Partly Sunny

    • 59
    • 81

    Partly Sunny

    • 63
    • 86

    Partly Sunny

Today 7 Jul Southern Cook/North Shore

Mostly sunny. Highs in the lower 80s. Northwest Winds around 5 Mph, becoming west around 5 Mph this afternoon.

Tonight 7 Jul Southern Cook/North Shore

Mostly cloudy. A chance of Showers after midnight. Lows in the upper 50s. Northwest Winds around 5 Mph. Chance of rain 50 percent.

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Grand Portage State Park Temperature Statistics

July Temperature

Grand Marais/Cook County Airport (37.3 miles)

  • Lowest 5 July, 2026

    48.2 °F

  • Average July

    67.2 °F

  • Highest 2 July, 2026

    82.4 °F

Climate (2021–2026)

Grand Marais/Cook County Airport (37.3 miles)

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  • Average Low 2021–2026

    28.6 °F

  • Average 2021–2026

    38 °F

  • Average High 2021–2026

    46.5 °F
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