Isle Au Haut - Old Cove Weather Forecast

    • 47
    • 59

    Becoming Sunny

    • 48
    • 56

    Mostly Sunny

    • 53
    • 57

    Chance Rain

    • 49
    • 58

    Chance Rain

    • 48
    • 57

    Rain Likely

    • 46
    • 56

    Slight Chance Rain

Today 9 Oct Knox

Mostly sunny. Highs in the lower 60s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 9 Oct Knox

Mostly clear. Lows in the upper 30s. West Winds around 10 Mph with Gusts up to 20 Mph.

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Isle Au Haut - Old Cove Temperature Statistics

October Temperature

Rockland, Knox County Regional Airport (24.2 miles)

  • Lowest 7 October, 2026

    30.9 °F

  • Average October

    54.9 °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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