Monhegan Island Harbor Weather Forecast

    • 50
    • 56

    Breezy

    • 47
    • 62

    Mostly Sunny

    • 48
    • 54

    Mostly Sunny

    • 51
    • 60

    Partly Sunny

    • 48
    • 59

    Chance Rain Showers

    • 46
    • 55

    Partly Sunny

Today 16 May Lincoln

Mostly sunny. Highs in the lower 70s. Light and variable Winds, becoming southwest around 10 Mph with Gusts up to 20 Mph in the afternoon.

Tonight 16 May Lincoln

Partly cloudy. Patchy fog. Lows in the upper 40s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Monhegan Island Harbor Temperature Statistics

May Temperature

Rockland, Knox County Regional Airport (23.6 miles)

  • Lowest 4 May, 2026

    32 °F

  • Average May

    48.8 °F

  • Highest 4 May, 2026

    63 °F

Climate (2021–Present)

Rockland, Knox County Regional Airport (23.6 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    54.8 °F
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