Monhegan Island Harbor Weather Forecast

    • 22
    • 24

    Gradual Clearing

    • 34
    • 37

    Partly Sunny

    • 27
    • 43

    Rain

    • 22
    • 31

    Breezy

    • 25
    • 34

    Breezy

    • 20
    • 30

    Chance Snow

Today 27 Dec Lincoln

Cloudy in the Morning, then becoming partly sunny. Highs in the lower 20s. North Winds around 10 Mph. Wind chill Values as low as 3 below in the morning.

Tonight 27 Dec Lincoln

Mostly clear. Lows around 5 above. Light and variable Winds.

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Monhegan Island Harbor Temperature Statistics

December Temperature

Rockland, Knox County Regional Airport (23.6 miles)

  • Lowest 9 December, 2025

    -2 °F

  • Average December

    27.9 °F

  • Highest 19 December, 2025

    54 °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

    47.9 °F

  • Average High 2020–2025

    55.2 °F
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