Grace Harbor Weather Forecast

    • 36
    • 42

    Decreasing Clouds

    • 38
    • 47

    Mostly Sunny

    • 40
    • 50

    Partly Sunny

    • 38
    • 54

    Slight Chance Rain Showers

    • 37
    • 45

    Mostly Sunny

    • 39
    • 47

    Mostly Sunny

Today 3 May Keweenaw

Mostly sunny and warmer. Near steady temperature in the mid 40s. Southwest Winds 5 to 15 Mph.

Tonight 3 May Keweenaw

Clear. Lows 34 to 39. Southwest Winds 5 to 10 Mph, becoming northeast after midnight.

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Grace Harbor Temperature Statistics

May Temperature

Grand Marais, The Bay of Grand Marais (52.2 miles)

  • Lowest 1 May, 2025

    35.1 °F

  • Average May

    39.7 °F

  • Highest 1 May, 2025

    46.9 °F

Climate (2020–Present)

Grand Marais, The Bay of Grand Marais (52.2 miles)

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  • Average Low 2020–2025

    33.9 °F

  • Average 2020–2025

    41.1 °F

  • Average High 2020–2025

    48.2 °F
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