Isle Au Haut - Old Cove Weather Forecast

    • 50
    • 66

    Rain Showers

    • 53
    • 66

    Mostly Sunny

    • 55
    • 67

    Mostly Sunny

    • 55
    • 65

    Slight Chance Rain Showers

    • 54
    • 64

    Slight Chance Rain Showers

    • 55
    • 65

    Mostly Cloudy

Today 7 Jun Knox

Partly sunny with scattered Showers in the Morning, then mostly cloudy with numerous Showers with isolated Thunderstorms in the afternoon. Highs in the mid 70s. West Winds around 10 Mph, becoming northwest with Gusts up to 25 Mph in the afternoon. Chance of rain 70 percent.

Tonight 7 Jun Knox

Partly cloudy with scattered Showers in the Evening, then mostly clear after midnight. Less humid with Lows in the upper 40s. North Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.

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Isle Au Haut - Old Cove Temperature Statistics

June Temperature

Rockland, Knox County Regional Airport (24.2 miles)

  • Lowest 2 June, 2026

    37.9 °F

  • Average June

    55.2 °F

  • Highest 4 June, 2026

    75 °F

Climate (2021–Present)

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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