Isle Au Haut - Old Cove Weather Forecast

    • 62
    • 73

    Rain Showers

    • 59
    • 69

    Slight Chance Rain Showers

    • 61
    • 67

    Partly Sunny

    • 63
    • 72

    Mostly Cloudy

    • 63
    • 74

    Partly Sunny

    • 63
    • 74

    Partly Sunny

Today 3 Aug Knox

Areas of fog in the morning. Showers with a slight chance of Thunderstorms. Humid with Highs in the mid 70s. South Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain near 100 percent.

Tonight 3 Aug Knox

Cloudy with a chance of Showers with a slight chance of Thunderstorms in the Evening, then mostly clear after midnight. Humid with Lows in the lower 60s. Southwest Winds 10 to 15 Mph. Gusts up to 35 Mph, decreasing to 25 Mph after midnight. Chance of rain 50 percent.

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Isle Au Haut - Old Cove Temperature Statistics

August Temperature

Rockland, Knox County Regional Airport (24.2 miles)

  • Lowest

  • Average August

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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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