Greenwood Lake Weather Forecast

    • 36
    • 58

    Increasing Clouds

    • 34
    • 57

    Partly Sunny

    • 36
    • 58

    Mostly Sunny

    • 38
    • 60

    Mostly Sunny

    • 42
    • 61

    Mostly Cloudy

    • 45
    • 66

    Partly Sunny

Today 20 Sep Northern Cook/Northern Lake

Mostly sunny. Highs around 60. Northeast Winds 5 to 10 Mph.

Tonight 20 Sep Northern Cook/Northern Lake

Partly cloudy in the Evening, then becoming mostly cloudy. Cooler with Lows in the upper 30s. East 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

    58.3 °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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