Fern Lake Weather Forecast

    • 48
    • 71

    Chance Rain Showers

    • 50
    • 68

    Mostly Cloudy

    • 52
    • 66

    Rain Showers Likely

    • 50
    • 72

    Partly Sunny

    • 54
    • 78

    Mostly Sunny

    • 60
    • 80

    Mostly Cloudy

Today 16 Aug Northern Cook/Northern Lake

Mostly cloudy with a chance of Showers this Morning, then partly sunny with a slight chance of Showers this afternoon. Highs in the lower 70s. Northeast Winds around 5 Mph. Chance of rain 50 percent.

Tonight 16 Aug Northern Cook/Northern Lake

Mostly clear. Lows in the upper 40s. East Winds 5 to 10 Mph. Gusts up to 25 Mph after midnight.

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  • Temperature Real-Time

Fern Lake Temperature Statistics

August Temperature

Grand Marais/Cook County Airport (29.8 miles)

  • Lowest 1 August, 2025

    50 °F

  • Average August

    65.3 °F

  • Highest 7 August, 2025

    78.8 °F

Climate (2020–Present)

Grand Marais/Cook County Airport (29.8 miles)

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  • Average Low 2020–2025

    28.8 °F

  • Average 2020–2025

    38.1 °F

  • Average High 2020–2025

    46.7 °F
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