Washington Harbor Weather Forecast

    • 58
    • 72

    Partly Sunny

    • 60
    • 68

    Mostly Sunny

    • 61
    • 75

    Partly Sunny

    • 61
    • 80

    Chance Rain Showers

    • 61
    • 77

    Chance Rain Showers

    • 61
    • 78

    Partly Sunny

Today 4 Aug Keweenaw

Mostly sunny. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 4 Aug Keweenaw

Partly cloudy. Lows in the lower 60s. West Winds 5 to 10 Mph.

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Washington Harbor Temperature Statistics

August Temperature

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

  • Lowest 2 August, 2026

    55 °F

  • Average August

    62.7 °F

  • Highest 1 August, 2026

    72 °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

    40.7 °F

  • Average High 2021–2026

    47.9 °F
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