Minnesota's Northern Border Historical Marker Weather Forecast

    • 56
    • 73

    Chance Rain Showers

    • 50
    • 75

    Mostly Sunny

    • 49
    • 71

    Mostly Sunny

    • 54
    • 71

    Partly Sunny

    • 57
    • 72

    Chance Rain Showers

    • 55
    • 73

    Chance Rain Showers

    • 54
    • 72

    Partly Sunny

Today 21 Aug Southern Cook/North Shore

Mostly sunny. Near steady temperature in the lower 70s. Northwest Winds around 5 Mph.

Tonight 21 Aug Southern Cook/North Shore

Mostly cloudy. A slight chance of Showers and Thunderstorms late this Evening, then a chance of Sprinkles. Lows in the mid 50s. Northwest Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Minnesota's Northern Border Historical Marker Temperature Statistics

August Temperature

Grand Marais/Cook County Airport (38.5 miles)

  • Lowest 19 August, 2026

    46.4 °F

  • Average August

    62.2 °F

  • Highest 1 August, 2026

    77 °F

Climate (2021–2026)

Grand Marais/Cook County Airport (38.5 miles)

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  • Average Low 2021–2026

    28.7 °F

  • Average 2021–2026

    38 °F

  • Average High 2021–2026

    46.6 °F
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