Washington Harbor Weather Forecast

    • 56
    • 70

    Increasing Clouds

    • 58
    • 71

    Partly Sunny

    • 60
    • 72

    Chance Thunderstorms

    • 62
    • 78

    Mostly Cloudy

    • 60
    • 73

    Partly Sunny

    • 60
    • 70

    Partly Sunny

Today 28 Jul Keweenaw

Patchy fog this morning. Sunny. Highs in the lower 70s. Light north Winds, becoming south this afternoon.

Tonight 28 Jul Keweenaw

Mostly clear. Patchy fog. Lows 58 to 63. Light south Winds.

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Washington Harbor Temperature Statistics

July Temperature

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

  • Lowest 9 July, 2026

    42.1 °F

  • Average July

    56 °F

  • Highest 20 July, 2026

    81 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    40.8 °F

  • Average High 2021–2026

    48 °F
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