Isle Au Haut - Old Cove Weather Forecast

    • 43
    • 53

    Increasing Clouds

    • 40
    • 56

    Mostly Cloudy

    • 40
    • 50

    Slight Chance Rain

    • 45
    • 53

    Sunny

    • 49
    • 55

    Mostly Sunny

    • 46
    • 56

    Partly Sunny

Today 21 Oct Knox

Mostly sunny. Highs in the mid 50s. Northeast Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 21 Oct Knox

Partly cloudy in the Evening, then becoming cloudy. Lows in the upper 30s. Light and variable Winds.

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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

    52.5 °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

    47.5 °F

  • Average High 2021–2026

    54.8 °F
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