Isle Au Haut - Moores Harbor Weather Forecast

    • 19
    • 26

    Increasing Clouds

    • 31
    • 37

    Partly Sunny

    • 30
    • 43

    Partly Sunny

    • 38
    • 44

    Mostly Cloudy

    • 18
    • 50

    Chance Rain

    • 28
    • 39

    Mostly Cloudy

Today 15 Dec Knox

Mostly sunny. Highs in the lower 20s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Wind chill Values as low as 4 below in the morning.

Tonight 15 Dec Knox

Partly cloudy. Lows around 12. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Wind chill Values as low as 2 below.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Isle Au Haut - Moores Harbor Temperature Statistics

December Temperature

Rockland, Knox County Regional Airport (22.4 miles)

  • Lowest 9 December, 2025

    -2 °F

  • Average December

    25.4 °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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