Greenwood Lake Weather Forecast

    • 35
    • 56

    Becoming Sunny

    • 47
    • 59

    Rain Showers

    • 41
    • 63

    Partly Sunny

    • 44
    • 62

    Slight Chance Rain Showers

    • 43
    • 65

    Partly Sunny

    • 44
    • 65

    Partly Sunny

Today 13 Sep Northern Cook/Northern Lake

Partly sunny. A chance of Showers in the Morning, then a chance of Sprinkles in the afternoon. Highs in the upper 50s. Northwest Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 30 percent.

Tonight 13 Sep Northern Cook/Northern Lake

Mostly clear. Patchy frost after midnight. Lows in the mid 30s. Northwest Winds around 5 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable.

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Greenwood Lake Temperature Statistics

September Temperature

Grand Marais/Cook County Airport (14.9 miles)

  • Lowest 10 September, 2026

    46.4 °F

  • Average September

    63.2 °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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