Monhegan Island Weather Forecast

    • 61
    • 66

    Mostly Cloudy

    • 63
    • 69

    Partly Sunny

    • 61
    • 69

    Chance Thunderstorms

    • 60
    • 66

    Chance Thunderstorms

    • 60
    • 66

    Partly Sunny

    • 59
    • 64

    Slight Chance Rain Showers

Today 5 Jul Lincoln

Partly sunny. Highs in the lower 80s. Light and variable Winds, becoming southwest around 10 Mph this afternoon.

Tonight 5 Jul Lincoln

Mostly cloudy this Evening, then becoming partly cloudy. Lows in the lower 60s. Southwest Winds around 10 Mph with Gusts up to 20 Mph this Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Monhegan Island Temperature Statistics

July Temperature

Rockland, Knox County Regional Airport (23 miles)

  • Lowest 1 July, 2025

    57.9 °F

  • Average July

    69.4 °F

  • Highest 2 July, 2025

    84 °F

Climate (2020–Present)

Rockland, Knox County Regional Airport (23 miles)

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  • Average Low 2020–2025

    40 °F

  • Average 2020–2025

    48 °F

  • Average High 2020–2025

    55.3 °F
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