Isle Au Haut - Old Cove Weather Forecast

    • 62
    • 75

    Sunny

    • 61
    • 66

    Partly Sunny

    • 62
    • 68

    Partly Sunny

    • 63
    • 75

    Partly Sunny

    • 63
    • 76

    Partly Sunny

    • 62
    • 75

    Partly Sunny

Today 4 Aug Knox

Sunny, warm with Highs in the mid 80s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 4 Aug Knox

Clear. Lows in the upper 50s. West Winds around 10 Mph in the Evening, becoming light and variable.

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Isle Au Haut - Old Cove Temperature Statistics

August Temperature

Rockland, Knox County Regional Airport (24.2 miles)

  • Lowest 1 August, 2026

    55.9 °F

  • Average August

    65.9 °F

  • Highest 1 August, 2026

    75 °F

Climate (2021–2026)

Rockland, Knox County Regional Airport (24.2 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    54.8 °F
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