Powell Lake Weather Forecast

    • 48
    • 72

    Decreasing Clouds

    • 54
    • 77

    Partly Sunny

    • 56
    • 81

    Mostly Sunny

    • 57
    • 79

    Partly Sunny

    • 43
    • 70

    Rain Showers Likely

    • 37
    • 56

    Chance Rain Showers

Today 29 Aug Northern Cook/Northern Lake

Mostly sunny. Highs around 70. South Winds around 5 Mph.

Tonight 29 Aug Northern Cook/Northern Lake

Partly cloudy. Lows in the upper 40s. Southwest Winds around 5 Mph.

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Powell Lake Temperature Statistics

August Temperature

Grand Marais/Cook County Airport (30.4 miles)

  • Lowest 21 August, 2025

    48.2 °F

  • Average August

    64 °F

  • Highest 7 August, 2025

    78.8 °F

Climate (2020–Present)

Grand Marais/Cook County Airport (30.4 miles)

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  • Average Low 2020–2025

    28.7 °F

  • Average 2020–2025

    38.1 °F

  • Average High 2020–2025

    46.6 °F
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