Northern Light Lake Weather Forecast

    • 50
    • 72

    Increasing Clouds

    • 44
    • 59

    Mostly Cloudy

    • 45
    • 60

    Chance Rain Showers

    • 51
    • 62

    Chance Rain Showers

    • 52
    • 67

    Chance Rain Showers

    • 50
    • 68

    Chance Rain Showers

Today 17 Sep Southern Cook/North Shore

Mostly sunny. Highs in the lower 70s. Northwest Winds around 5 Mph.

Tonight 17 Sep Southern Cook/North Shore

Mostly cloudy. Lows in the lower 50s. North Winds around 5 Mph.

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Northern Light Lake Temperature Statistics

September Temperature

Grand Marais/Cook County Airport (8.1 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 (8.1 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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