Greenwood Lake Weather Forecast

    • 47
    • 70

    Becoming Sunny

    • 35
    • 61

    Partly Sunny

    • 34
    • 56

    Mostly Sunny

    • 36
    • 56

    Chance Rain Showers

    • 32
    • 55

    Mostly Sunny

    • 33
    • 54

    Partly Sunny

Today 30 Sep Northern Cook/Northern Lake

Mostly cloudy in the Morning, then clearing. Patchy fog in the morning. Highs in the lower 70s. West Winds around 5 Mph.

Tonight 30 Sep Northern Cook/Northern Lake

Partly cloudy in the Evening, then becoming mostly cloudy. Cooler with Lows in the mid 40s. West Winds around 5 Mph. Gusts up to 20 Mph after midnight.

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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 22 September, 2026

    28.4 °F

  • Average September

    55.9 °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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