Greenwood Lake Weather Forecast

    • 51
    • 66

    Slight Chance Rain Showers

    • 50
    • 73

    Mostly Sunny

    • 54
    • 75

    Chance Rain Showers

    • 55
    • 70

    Rain Showers

    • 57
    • 71

    Chance Rain Showers

    • 48
    • 71

    Partly Sunny

    • 45
    • 66

    Mostly Cloudy

Today 4 Sep Northern Cook/Northern Lake

Cloudy with a 20 percent chance of Showers. Cooler. Near steady temperature in the upper 60s. East Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 4 Sep Northern Cook/Northern Lake

Mostly cloudy. Patchy fog after midnight. Lows in the lower 50s. East Winds around 5 Mph.

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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 2 September, 2026

    55.4 °F

  • Average September

    67.6 °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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