Greenwood Lake Weather Forecast

    • 55
    • 74

    Rain Showers

    • 41
    • 65

    Partly Sunny

    • 38
    • 59

    Partly Sunny

    • 47
    • 59

    Rain Showers

    • 40
    • 62

    Partly Sunny

    • 42
    • 61

    Chance Rain Showers

    • 42
    • 62

    Partly Sunny

Today 11 Sep Northern Cook/Northern Lake

Mostly cloudy with a slight chance of Showers and Thunderstorms. Near steady temperature in the mid 70s. South Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 11 Sep Northern Cook/Northern Lake

Showers with a chance of Thunderstorms late this Evening, then Showers likely with a slight chance of Thunderstorms. Lows in the lower 50s. South Winds 5 to 10 Mph, becoming southwest. Chance of rain 90 percent.

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Greenwood Lake Temperature Statistics

September Temperature

Grand Marais/Cook County Airport (14.9 miles)

  • Lowest 3 September, 2026

    50 °F

  • Average September

    64.8 °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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