Isle Au Haut - Old Cove Weather Forecast

    • 58
    • 69

    Slight Chance Rain Showers

    • 57
    • 62

    Chance Rain

    • 59
    • 65

    Partly Sunny

    • 61
    • 74

    Slight Chance Rain Showers

    • 61
    • 74

    Slight Chance Thunderstorms

    • 60
    • 74

    Partly Sunny

Today 6 Jul Knox

Mostly cloudy in the Morning, then becoming partly sunny. Highs in the upper 70s. Light and variable Winds, becoming southeast around 10 Mph in the afternoon.

Tonight 6 Jul Knox

Mostly cloudy. Lows in the mid 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 1 July, 2026

    60.1 °F

  • Average July

    77.8 °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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