Greenwood Lake Weather Forecast

    • 45
    • 61

    Mostly Cloudy

    • 46
    • 59

    Rain Showers Likely

    • 51
    • 60

    Rain Showers Likely

    • 51
    • 65

    Chance Rain Showers

    • 51
    • 67

    Chance Rain Showers

    • 48
    • 65

    Slight Chance Rain Showers

Today 18 Sep Northern Cook/Northern Lake

Cloudy. A slight chance of Showers in the afternoon. Highs in the lower 60s. East Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 18 Sep Northern Cook/Northern Lake

Mostly cloudy. Lows in the lower 50s. Northeast 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 8 September, 2025

    35.6 °F

  • Average September

    53.6 °F

  • Highest 1 September, 2025

    75.2 °F

Climate (2020–Present)

Grand Marais/Cook County Airport (14.9 miles)

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  • Average Low 2020–2025

    28.8 °F

  • Average 2020–2025

    38.1 °F

  • Average High 2020–2025

    46.7 °F
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