Monhegan Island Harbor Weather Forecast

    • 61
    • 69

    Mostly Cloudy

    • 62
    • 68

    Chance Rain Showers

    • 61
    • 68

    Rain Showers

    • 60
    • 70

    Mostly Cloudy

    • 61
    • 69

    Mostly Cloudy

    • 63
    • 69

    Chance Rain Showers

    • 63
    • 71

    Mostly Cloudy

Today 1 Aug Lincoln

Partly sunny. Warm with Highs in the mid 80s. South Winds around 10 Mph.

Tonight 1 Aug Lincoln

Cloudy. Patchy fog after midnight. Lows in the lower 60s. Light and variable Winds.

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Monhegan Island Harbor Temperature Statistics

August Temperature

Rockland, Knox County Regional Airport (23.6 miles)

  • Lowest

  • Average August

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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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