Washington Harbor Weather Forecast

    • 43
    • 53

    Mostly Cloudy

    • 40
    • 53

    Rain Showers Likely

    • 39
    • 52

    Windy

    • 45
    • 53

    Breezy

    • 45
    • 56

    Breezy

    • 44
    • 57

    Mostly Sunny

Today 14 Oct Keweenaw

Mostly cloudy. Highs in the lower 50s. Northwest Winds 5 to 15 Mph.

Tonight 14 Oct Keweenaw

Partly cloudy in the Evening, then becoming mostly cloudy. Lows 40 to 45 inland to around 39 at the shore. Light north Winds, becoming southeast 5 to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Washington Harbor Temperature Statistics

October Temperature

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

  • Lowest 5 October, 2026

    37 °F

  • Average October

    51.5 °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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