Isle Au Haut Weather Forecast

    • 23
    • 32

    Mostly Cloudy

    • 28
    • 41

    Chance Rain Showers

    • 20
    • 34

    Chance Snow

    • 16
    • 25

    Slight Chance Snow Showers

    • 29
    • 34

    Chance Snow Showers

    • 35
    • 43

    Rain/Snow Likely

    • 28
    • 41

    Chance Rain/Snow

Today 5 Dec Knox

Mostly sunny. Highs in the lower 20s. Light and variable Winds.

Tonight 5 Dec Knox

Partly cloudy. Lows 9 to 15 above. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Isle Au Haut Temperature Statistics

December Temperature

Rockland, Knox County Regional Airport (23.6 miles)

  • Lowest 2 December, 2025

    21 °F

  • Average December

    31.8 °F

  • Highest 1 December, 2025

    41 °F

Climate (2020–Present)

Rockland, Knox County Regional Airport (23.6 miles)

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  • Average Low 2020–2025

    39.9 °F

  • Average 2020–2025

    48 °F

  • Average High 2020–2025

    55.2 °F
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