Monhegan Island Harbor Weather Forecast

    • 54
    • 60

    Chance Rain Showers

    • 54
    • 60

    Mostly Cloudy

    • 55
    • 63

    Partly Sunny

    • 57
    • 64

    Mostly Cloudy

    • 57
    • 64

    Chance Rain Showers

    • 58
    • 64

    Slight Chance Rain Showers

Today 26 Jun Lincoln

Patchy fog this morning. Mostly cloudy with a chance of Showers. A chance of Thunderstorms this afternoon. Some Thunderstorms may produce gusty Winds and small hail this afternoon. Highs in the lower 70s. Light and variable Winds, becoming southeast around 10 Mph this afternoon. Chance of rain 50 percent.

Tonight 26 Jun Lincoln

Cloudy. A chance of Showers and Thunderstorms in the evening. Patchy fog. Some Thunderstorms may produce gusty Winds and small hail in the evening. Lows in the mid 50s. Light and variable Winds. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Monhegan Island Harbor Temperature Statistics

June Temperature

Rockland, Knox County Regional Airport (23.6 miles)

  • Lowest 2 June, 2026

    37.9 °F

  • Average June

    60.8 °F

  • Highest 9 June, 2026

    81 °F

Climate (2021–2026)

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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