Grace Harbor Weather Forecast

    • 55
    • 67

    Breezy

    • 59
    • 64

    Mostly Sunny

    • 58
    • 69

    Rain Showers

    • 54
    • 64

    Partly Sunny

    • 55
    • 64

    Chance Rain Showers

    • 55
    • 66

    Rain Showers Likely

Today 9 Sep Keweenaw

Mostly sunny and windy. Highs in the lower 70s. West Winds 20 to 30 Mph with Gusts up to 45 Mph.

Tonight 9 Sep Keweenaw

Clear. Lows around 55. Inland, northwest Winds 5 to 15 Mph. Near the Shore, northwest Winds 15 to 25 Mph, Diminishing to 10 to 15 Mph after midnight. Gusts up to 40 Mph in the evening.

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Grace Harbor Temperature Statistics

September Temperature

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

  • Lowest 3 September, 2026

    55 °F

  • Average September

    64.3 °F

  • Highest 1 September, 2026

    75 °F

Climate (2021–2026)

Grand Marais, The Bay of Grand Marais (52.2 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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