Monhegan Island Harbor Weather Forecast

    • 38
    • 51

    Breezy

    • 44
    • 53

    Sunny

    • 48
    • 54

    Mostly Sunny

    • 44
    • 56

    Mostly Sunny

    • 40
    • 50

    Mostly Sunny

    • 45
    • 50

    Partly Sunny

Today 23 Oct Lincoln

Sunny. Highs in the lower 50s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 23 Oct Lincoln

Clear. Lows in the upper 20s. Light and variable Winds.

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Monhegan Island Harbor Temperature Statistics

October Temperature

Rockland, Knox County Regional Airport (23.6 miles)

  • Lowest 7 October, 2026

    30.9 °F

  • Average October

    52.7 °F

  • Highest 2 October, 2026

    72 °F

Climate (2021–2026)

Rockland, Knox County Regional Airport (23.6 miles)

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  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    47.5 °F

  • Average High 2021–2026

    54.8 °F
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