Washington Harbor Weather Forecast

    • 43
    • 58

    Gradual Clearing

    • 46
    • 54

    Partly Sunny

    • 52
    • 60

    Mostly Cloudy

    • 46
    • 59

    Slight Chance Rain Showers

    • 39
    • 49

    Partly Sunny

    • 37
    • 45

    Mostly Cloudy

Today 21 Oct Keweenaw

Mostly cloudy with a chance of Showers in the Morning, then mostly sunny in the afternoon. Highs around 60. West Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming north in the afternoon. Chance of rain 40 percent.

Tonight 21 Oct Keweenaw

Mostly clear. Areas of fog. Lows 38 to 43. Light north Winds.

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Washington Harbor Temperature Statistics

October Temperature

Grand Marais, The Bay of Grand Marais (54.1 miles)

  • Lowest 16 October, 2026

    35.1 °F

  • Average October

    49.7 °F

  • Highest 7 October, 2026

    69.1 °F

Climate (2021–2026)

Grand Marais, The Bay of Grand Marais (54.1 miles)

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  • Average Low 2021–2026

    33.2 °F

  • Average 2021–2026

    40.6 °F

  • Average High 2021–2026

    47.8 °F
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