Greenwood Lake Weather Forecast

    • 34
    • 56

    Becoming Sunny

    • 38
    • 60

    Mostly Sunny

    • 40
    • 60

    Mostly Sunny

    • 44
    • 59

    Mostly Cloudy

    • 45
    • 65

    Mostly Cloudy

    • 47
    • 62

    Slight Chance Rain Showers

Today 21 Sep Northern Cook/Northern Lake

Partly sunny. Near steady temperature in the mid 50s. Southeast Winds around 5 Mph.

Tonight 21 Sep Northern Cook/Northern Lake

Mostly clear in the Evening, then becoming partly cloudy. Patchy frost after midnight. Lows in the mid 30s. Southeast 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 14 September, 2026

    33.8 °F

  • Average September

    58.1 °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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