Isle Au Haut - Old Cove Weather Forecast

    • 46
    • 58

    Rain Likely

    • 38
    • 48

    Becoming Sunny

    • 43
    • 50

    Sunny

    • 45
    • 52

    Partly Sunny

    • 45
    • 55

    Partly Sunny

    • 44
    • 53

    Partly Sunny

    • 45
    • 51

    Mostly Cloudy

Today 16 Oct Knox

Partly sunny. Highs in the upper 50s.

Tonight 16 Oct Knox

Patchy fog this evening. Cloudy with Showers likely this Evening, then partly cloudy after midnight. Lows in the lower 40s. West Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming northwest with Gusts up to 35 Mph after midnight. Chance of rain 70 percent.

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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 7 October, 2026

    30.9 °F

  • Average October

    53.1 °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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