Devilfish Lake Weather Forecast

    • 58
    • 77

    Partly Sunny

    • 57
    • 76

    Partly Sunny

    • 51
    • 74

    Chance Rain Showers

    • 45
    • 63

    Mostly Cloudy

    • 44
    • 59

    Partly Sunny

    • 49
    • 63

    Chance Rain Showers

Today 15 Sep Northern Cook/Northern Lake

Mostly sunny. Near steady temperature in the mid 70s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 15 Sep Northern Cook/Northern Lake

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Humid with Lows around 60. South Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Devilfish Lake Temperature Statistics

September Temperature

Grand Marais/Cook County Airport (16.8 miles)

  • Lowest 8 September, 2025

    35.6 °F

  • Average September

    52.1 °F

  • Highest 1 September, 2025

    75.2 °F

Climate (2020–Present)

Grand Marais/Cook County Airport (16.8 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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