Greenwood Lake Weather Forecast

    • 37
    • 59

    Mostly Sunny

    • 42
    • 59

    Mostly Sunny

    • 48
    • 58

    Mostly Cloudy

    • 47
    • 65

    Mostly Cloudy

    • 49
    • 62

    Slight Chance Rain Showers

    • 48
    • 65

    Chance Rain Showers

Today 22 Sep Northern Cook/Northern Lake

Sunny. Near steady temperature in the upper 50s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 22 Sep Northern Cook/Northern Lake

Mostly clear. Patchy fog after midnight. Lows in the upper 30s. Southeast Winds around 5 Mph. Gusts up to 20 Mph in the evening.

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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

    57.6 °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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