Isle Au Haut - Old Cove Weather Forecast

    • 51
    • 57

    Chance Rain Showers

    • 45
    • 59

    Partly Sunny

    • 45
    • 55

    Sunny

    • 51
    • 57

    Mostly Sunny

    • 50
    • 59

    Mostly Sunny

    • 48
    • 58

    Mostly Sunny

Today 4 Oct Knox

Patchy fog this morning. Partly sunny. Highs around 60. East Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 4 Oct Knox

Partly cloudy in the Evening, then becoming mostly cloudy. A 40 percent chance of Showers. Lows in the upper 40s. Light and variable Winds.

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  • Temperature Real-Time

Isle Au Haut - Old Cove Temperature Statistics

October Temperature

Rockland, Knox County Regional Airport (24.2 miles)

  • Lowest 1 October, 2026

    55.9 °F

  • Average October

    62.5 °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

    47.6 °F

  • Average High 2021–2026

    54.8 °F
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