Monhegan Island Harbor Weather Forecast

    • 61
    • 64

    Chance Rain Showers

    • 62
    • 68

    Rain Showers Likely

    • 61
    • 67

    Mostly Cloudy

    • 63
    • 70

    Mostly Cloudy

    • 61
    • 70

    Slight Chance Rain Showers

    • 60
    • 69

    Partly Sunny

    • 61
    • 68

    Mostly Cloudy

Today 16 Aug Lincoln

Partly sunny. Highs in the upper 70s. South Winds around 10 Mph.

Tonight 16 Aug Lincoln

Partly cloudy in the Evening, then cloudy with a chance of Showers after midnight. Lows around 60. Light and variable Winds, becoming south around 10 Mph with Gusts up to 20 Mph after midnight. Chance of rain 50 percent.

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  • Temperature Real-Time

Monhegan Island Harbor Temperature Statistics

August Temperature

Rockland, Knox County Regional Airport (23.6 miles)

  • Lowest 1 August, 2026

    55.9 °F

  • Average August

    70.1 °F

  • Highest 6 August, 2026

    86 °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

    54.9 °F
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