Isle Au Haut - Old Cove Weather Forecast

    • 65
    • 79

    Mostly Sunny

    • 62
    • 80

    Mostly Sunny

    • 57
    • 69

    Partly Sunny

    • 57
    • 64

    Slight Chance Rain Showers

    • 57
    • 66

    Chance Rain Showers

    • 59
    • 67

    Slight Chance Rain Showers

    • 60
    • 71

    Slight Chance Rain Showers

Today 3 Jul Knox

Mostly sunny. Hot with Highs in the mid 90s. West Winds around 10 Mph with Gusts up to 25 Mph. Heat index Values up to 106.

Tonight 3 Jul Knox

Mostly clear. Lows in the upper 60s. West Winds around 10 Mph with Gusts up to 20 Mph this Evening, becoming light and variable. Heat index Values in the upper 90s early this evening.

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Isle Au Haut - Old Cove Temperature Statistics

July Temperature

Rockland, Knox County Regional Airport (24.2 miles)

  • Lowest 1 July, 2026

    60.1 °F

  • Average July

    70.5 °F

  • Highest 1 July, 2026

    80.1 °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

    47.5 °F

  • Average High 2021–2026

    54.7 °F
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