Isle Au Haut - Western Ear Island Weather Forecast

    • 32
    • 41

    Slight Chance Rain

    • 21
    • 43

    Partly Sunny

    • 20
    • 28

    Partly Sunny

    • 27
    • 37

    Rain/Snow Likely

    • 25
    • 34

    Mostly Cloudy

    • 33
    • 41

    Chance Rain

Today 20 Dec Knox

Mostly sunny. Highs in the upper 30s. West Winds 15 to 20 Mph, Diminishing to around 10 Mph in the afternoon.

Tonight 20 Dec Knox

Partly cloudy. Lows in the lower 20s. West Winds 15 to 20 Mph with Gusts up to 35 Mph.

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Isle Au Haut - Western Ear Island Temperature Statistics

December Temperature

Rockland, Knox County Regional Airport (22.4 miles)

  • Lowest 9 December, 2025

    -2 °F

  • Average December

    25.8 °F

  • Highest 10 December, 2025

    45 °F

Climate (2020–Present)

Rockland, Knox County Regional Airport (22.4 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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