Monhegan Island Harbor Weather Forecast

    • 46
    • 57

    Rain Showers

    • 39
    • 48

    Becoming Sunny

    • 46
    • 48

    Sunny

    • 47
    • 53

    Mostly Cloudy

    • 48
    • 56

    Partly Sunny

    • 47
    • 54

    Partly Sunny

    • 47
    • 52

    Mostly Cloudy

Today 16 Oct Lincoln

Partly sunny. Highs in the upper 50s.

Tonight 16 Oct Lincoln

Patchy fog this evening. Cloudy with Showers likely this Evening, then partly cloudy after midnight. Lows in the lower 40s. West Winds around 10 Mph with Gusts up to 20 Mph, becoming northwest with Gusts up to 30 Mph after midnight. Chance of rain 70 percent.

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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

    53.1 °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

    47.6 °F

  • Average High 2021–2026

    54.8 °F
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