Greenwood Lake Weather Forecast

    • 38
    • 57

    Mostly Cloudy

    • 43
    • 65

    Mostly Cloudy

    • 39
    • 59

    Mostly Cloudy

    • 37
    • 58

    Mostly Sunny

    • 41
    • 60

    Partly Sunny

    • 45
    • 60

    Partly Sunny

Today 18 Sep Northern Cook/Northern Lake

Mostly cloudy. Highs in the upper 50s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 18 Sep Northern Cook/Northern Lake

Mostly cloudy. Lows in the lower 40s. Southeast Winds around 5 Mph.

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Greenwood Lake Temperature Statistics

September Temperature

Grand Marais/Cook County Airport (14.9 miles)

  • Lowest 14 September, 2026

    33.8 °F

  • Average September

    59.7 °F

  • Highest 1 September, 2026

    77 °F

Climate (2021–2026)

Grand Marais/Cook County Airport (14.9 miles)

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  • Average Low 2021–2026

    28.7 °F

  • Average 2021–2026

    38 °F

  • Average High 2021–2026

    46.5 °F
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