Montsweag Bay - Back River Entrance Weather Forecast

    • 16
    • 31

    Snow Likely

    • 29
    • 39

    Rain

    • 14
    • 38

    Partly Sunny

    • 14
    • 30

    Partly Sunny

    • 19
    • 34

    Chance Snow

    • 7
    • 33

    Partly Sunny

    • 8
    • 24

    Partly Sunny

Today 9 Dec Lincoln

Partly sunny. Highs in the upper 20s. Light and variable Winds.

Tonight 9 Dec Lincoln

Cloudy. A slight chance of snow in the Evening, then snow likely after midnight. Snow accumulation around an inch. Not as cold with Lows around 15. Light and variable Winds. Chance of snow 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Montsweag Bay - Back River Entrance Temperature Statistics

December Temperature

Wiscasset Airport (1.2 miles)

  • Lowest 5 December, 2025

    3 °F

  • Average December

    25.1 °F

  • Highest 1 December, 2025

    39.9 °F

Climate (2020–Present)

Wiscasset Airport (1.2 miles)

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  • Average Low 2020–2025

    38.9 °F

  • Average 2020–2025

    48.6 °F

  • Average High 2020–2025

    58 °F
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