Monhegan Island Harbor Weather Forecast

    • 28
    • 30

    Increasing Clouds

    • 31
    • 40

    Chance Rain/Snow

    • 22
    • 35

    Chance Snow

    • 18
    • 28

    Blustery

    • 31
    • 36

    Chance Rain/Snow

    • 34
    • 39

    Rain Likely

Today 5 Dec Lincoln

Mostly sunny. Highs in the lower 20s. Light and variable Winds.

Tonight 5 Dec Lincoln

Mostly clear. Lows around 11. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Monhegan Island Harbor Temperature Statistics

December Temperature

Rockland, Knox County Regional Airport (23.6 miles)

  • Lowest 2 December, 2025

    21 °F

  • Average December

    33.1 °F

  • Highest 1 December, 2025

    41 °F

Climate (2020–Present)

Rockland, Knox County Regional Airport (23.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    40 °F

  • Average 2020–2025

    48 °F

  • Average High 2020–2025

    55.2 °F
Get WillyWeather+ to remove ads