Isle Au Haut - Old Cove Weather Forecast

    • 14
    • 21

    Increasing Clouds

    • 18
    • 24

    Partly Sunny

    • 29
    • 35

    Partly Sunny

    • 24
    • 42

    Rain

    • 21
    • 30

    Slight Chance Snow

    • 20
    • 33

    Chance Snow

Today 26 Dec Knox

Mostly sunny. Highs around 18. Northwest Winds around 10 Mph. Gusts up to 30 Mph in the morning. Wind chill Values as low as 8 below in the morning.

Tonight 26 Dec Knox

Mostly clear. Lows around 7 above. Northwest Winds 10 to 15 Mph with Gusts up to 35 Mph. Wind chill Values as low as 11 below.

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Isle Au Haut - Old Cove Temperature Statistics

December Temperature

Rockland, Knox County Regional Airport (24.2 miles)

  • Lowest 9 December, 2025

    -2 °F

  • Average December

    28.1 °F

  • Highest 19 December, 2025

    54 °F

Climate (2020–Present)

Rockland, Knox County Regional Airport (24.2 miles)

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  • Average Low 2020–2025

    39.9 °F

  • Average 2020–2025

    47.9 °F

  • Average High 2020–2025

    55.2 °F
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