Isle Au Haut - Old Cove Weather Forecast

    • 56
    • 63

    Mostly Cloudy

    • 59
    • 62

    Rain Likely

    • 58
    • 65

    Rain

    • 56
    • 69

    Slight Chance Rain Showers

    • 54
    • 66

    Partly Sunny

    • 54
    • 65

    Partly Sunny

Today 1 Sep Knox

Partly sunny in the Morning, then mostly cloudy with a slight chance of rain in the afternoon. Highs in the lower 70s. Light and variable Winds. Chance of rain 20 percent.

Tonight 1 Sep Knox

Mostly cloudy. Lows in the mid 50s. Light and variable Winds.

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Isle Au Haut - Old Cove Temperature Statistics

September Temperature

Rockland, Knox County Regional Airport (24.2 miles)

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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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