Grace Harbor Weather Forecast

    • 59
    • 65

    Rain Showers

    • 60
    • 66

    Rain Showers

    • 59
    • 70

    Slight Chance Thunderstorms

    • 59
    • 70

    Partly Sunny

    • 61
    • 71

    Mostly Cloudy

    • 60
    • 72

    Slight Chance Thunderstorms

Today 22 Jul Keweenaw

Partly cloudy. A chance of Showers with a slight chance of Thunderstorms this afternoon. Near steady temperature in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 22 Jul Keweenaw

Mostly cloudy with a chance of Thunderstorms. A chance of Showers in the Evening, then Showers likely after midnight. Lows around 61 inland to around 67 at the shore. South Winds 5 to 10 Mph, becoming southwest after midnight. Chance of rain 70 percent.

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Grace Harbor Temperature Statistics

July Temperature

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

  • Lowest 3 July, 2025

    45.6 °F

  • Average July

    60.9 °F

  • Highest 1 July, 2025

    82.7 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    33.7 °F

  • Average 2020–2025

    41.1 °F

  • Average High 2020–2025

    48.3 °F
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