Grand Portage Weather Forecast

    • 48
    • 69

    Mostly Cloudy

    • 50
    • 67

    Rain Showers Likely

    • 53
    • 71

    Rain Showers Likely

    • 55
    • 79

    Chance Rain Showers

    • 55
    • 78

    Chance Rain Showers

    • 54
    • 78

    Chance Rain Showers

Today 27 Jun Southern Cook/North Shore

Mostly sunny. Highs in the lower 70s. East Winds 5 to 10 Mph.

Tonight 27 Jun Southern Cook/North Shore

Mostly cloudy. Lows around 50. East Winds 5 to 10 Mph.

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Grand Portage Temperature Statistics

June Temperature

Grand Marais/Cook County Airport (33.6 miles)

  • Lowest 1 June, 2026

    37.4 °F

  • Average June

    58.6 °F

  • Highest 3 June, 2026

    78.8 °F

Climate (2021–2026)

Grand Marais/Cook County Airport (33.6 miles)

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  • Average Low 2021–2026

    28.6 °F

  • Average 2021–2026

    38 °F

  • Average High 2021–2026

    46.6 °F
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