Isle Au Haut - Old Cove Weather Forecast

    • 57
    • 70

    Mostly Sunny

    • 57
    • 70

    Mostly Sunny

    • 56
    • 70

    Mostly Sunny

    • 58
    • 70

    Partly Sunny

    • 59
    • 69

    Mostly Cloudy

    • 60
    • 70

    Chance Rain Showers

Today 23 Jul Knox

Sunny. Highs in the upper 70s. West Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 23 Jul Knox

Clear. Lows in the lower 50s. Light and variable Winds.

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Isle Au Haut - Old Cove Temperature Statistics

July Temperature

Rockland, Knox County Regional Airport (24.2 miles)

  • Lowest 17 July, 2026

    52 °F

  • Average July

    69.8 °F

  • Highest 2 July, 2026

    91.9 °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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