Monhegan Island Harbor Weather Forecast

    • 57
    • 62

    Increasing Clouds

    • 60
    • 64

    Rain Showers

    • 59
    • 67

    Chance Rain Showers

    • 58
    • 66

    Mostly Sunny

    • 59
    • 66

    Mostly Sunny

    • 59
    • 67

    Partly Sunny

Today 20 Jul Lincoln

Mostly sunny. Highs in the upper 70s. West Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 20 Jul Lincoln

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 50s. Southwest Winds around 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Monhegan Island Harbor Temperature Statistics

July Temperature

Rockland, Knox County Regional Airport (23.6 miles)

  • Lowest 17 July, 2026

    52 °F

  • Average July

    70.4 °F

  • Highest 2 July, 2026

    91.9 °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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