Washington Harbor Weather Forecast

    • 54
    • 63

    Decreasing Clouds

    • 54
    • 69

    Mostly Sunny

    • 56
    • 74

    Chance Rain Showers

    • 63
    • 75

    Rain Showers Likely

    • 62
    • 77

    Chance Rain Showers

    • 60
    • 76

    Partly Sunny

Today 21 Jul Keweenaw

Mostly cloudy. Cooler with Highs in the mid 60s. North Winds 10 to 20 Mph with Gusts up to 35 Mph.

Tonight 21 Jul Keweenaw

Mostly clear. Lows around 53. Northwest Winds 5 to 15 Mph. Gusts up to 30 Mph in the evening.

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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

    55.7 °F

  • Highest 15 July, 2026

    78.1 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    40.8 °F

  • Average High 2021–2026

    48 °F
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