Isle Au Haut - Old Cove Weather Forecast

    • 37
    • 46

    Rain

    • 22
    • 41

    Chance Snow Showers

    • 25
    • 31

    Breezy

    • 28
    • 34

    Chance Snow

    • 20
    • 34

    Chance Snow

    • 18
    • 27

    Slight Chance Snow

Today 10 Dec Knox

Snow Showers with a chance of rain this Morning, then rain with a chance of snow this afternoon. Additional snow accumulation of 1 to 3 Inches. Total snow accumulation 3 to 4 Inches. Warmer with Highs in the mid 40s. Southwest Winds around 10 Mph with Gusts up to 25 Mph. Chance of precipitation near 100 percent.

Tonight 10 Dec Knox

Cloudy. Rain, mainly in the evening. Lows in the upper 20s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

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Isle Au Haut - Old Cove Temperature Statistics

December Temperature

Rockland, Knox County Regional Airport (24.2 miles)

  • Lowest 5 December, 2025

    5 °F

  • Average December

    25.5 °F

  • Highest 1 December, 2025

    41 °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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