Isle Au Haut - Old Cove Weather Forecast

    • 46
    • 59

    Becoming Sunny

    • 46
    • 55

    Sunny

    • 52
    • 57

    Mostly Sunny

    • 50
    • 60

    Mostly Sunny

    • 49
    • 59

    Partly Sunny

    • 46
    • 57

    Mostly Sunny

Today 5 Oct Knox

Partly sunny. Patchy fog this morning. A slight chance of Showers this Morning, then a chance of Showers this afternoon. Highs in the mid 60s. West Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 5 Oct Knox

Clear. Lows around 40. West Winds 10 to 15 Mph with Gusts up to 35 Mph.

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Isle Au Haut - Old Cove Temperature Statistics

October Temperature

Rockland, Knox County Regional Airport (24.2 miles)

  • Lowest 3 October, 2026

    43 °F

  • Average October

    59.7 °F

  • Highest 2 October, 2026

    72 °F

Climate (2021–2026)

Rockland, Knox County Regional Airport (24.2 miles)

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  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    54.8 °F
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