Monhegan Island Harbor Weather Forecast

    • 58
    • 63

    Chance Rain

    • 60
    • 62

    Rain Showers Likely

    • 60
    • 65

    Rain Showers

    • 58
    • 67

    Partly Sunny

    • 57
    • 65

    Mostly Cloudy

    • 57
    • 63

    Partly Sunny

Today 1 Sep Lincoln

Mostly cloudy. A slight chance of rain in the Morning, then a chance of rain in the afternoon. Highs in the mid 70s. Light and variable Winds. Chance of rain 40 percent.

Tonight 1 Sep Lincoln

Mostly cloudy. A slight chance of rain in the evening. Lows in the mid 50s. Light and variable Winds. Chance of rain 20 percent.

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Monhegan Island Harbor Temperature Statistics

September Temperature

Rockland, Knox County Regional Airport (23.6 miles)

  • Lowest

  • Average September

  • Highest

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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