Isle Au Haut - Old Cove Weather Forecast

    • 59
    • 70

    Mostly Cloudy

    • 61
    • 72

    Chance Rain Showers

    • 62
    • 72

    Chance Rain Showers

    • 61
    • 75

    Mostly Sunny

    • 61
    • 74

    Partly Sunny

    • 62
    • 73

    Slight Chance Thunderstorms

Today 8 Jul Knox

Patchy fog in the morning. Partly sunny. Visibility one quarter mile or less at Times in the morning. Highs in the lower 80s. Light and variable Winds.

Tonight 8 Jul Knox

Mostly clear in the Evening, then becoming partly cloudy. Lows around 60. 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 1 July, 2026

    60.1 °F

  • Average July

    76.1 °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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