Monhegan Island Harbor Weather Forecast

    • 59
    • 69

    Increasing Clouds

    • 61
    • 69

    Rain Showers

    • 58
    • 70

    Mostly Sunny

    • 60
    • 70

    Partly Sunny

    • 61
    • 67

    Rain Showers Likely

    • 61
    • 70

    Chance Rain Showers

Today 17 Jul Lincoln

Mostly sunny. Highs around 80. Northwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 17 Jul Lincoln

Mostly clear this Evening, then becoming partly cloudy. Lows in the mid 50s. Light and variable Winds.

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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 12 July, 2026

    54 °F

  • Average July

    71.5 °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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