Greenwood Lake Weather Forecast

    • 55
    • 78

    Increasing Clouds

    • 52
    • 63

    Mostly Cloudy

    • 52
    • 73

    Partly Sunny

    • 55
    • 75

    Chance Thunderstorms

    • 52
    • 68

    Rain Showers Likely

    • 55
    • 70

    Chance Rain Showers

    • 50
    • 72

    Mostly Cloudy

Today 3 Sep Northern Cook/Northern Lake

Sunny. Highs in the upper 70s. East Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 3 Sep Northern Cook/Northern Lake

Mostly cloudy with a chance of Showers and Thunderstorms. Lows in the upper 50s. East Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Greenwood Lake Temperature Statistics

September Temperature

Grand Marais/Cook County Airport (14.9 miles)

  • Lowest 1 September, 2026

    60.8 °F

  • Average September

    71 °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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