Montsweag Bay - Back River Entrance Weather Forecast

    • 31
    • 46

    Slight Chance Rain Showers

    • 36
    • 46

    Chance Rain Showers

    • 32
    • 53

    Chance Rain Showers

    • 31
    • 53

    Partly Sunny

    • 35
    • 55

    Mostly Cloudy

    • 37
    • 56

    Mostly Cloudy

Today 21 Apr Lincoln

Mostly sunny. Highs in the upper 40s. Light and variable Winds.

Tonight 21 Apr Lincoln

Mostly clear. Lows in the mid 20s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Montsweag Bay - Back River Entrance Temperature Statistics

April Temperature

Wiscasset Airport (1.2 miles)

  • Lowest 7 April, 2026

    24.1 °F

  • Average April

    44.1 °F

  • Highest 17 April, 2026

    72 °F

Climate (2021–Present)

Wiscasset Airport (1.2 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    48.4 °F

  • Average High 2021–2026

    57.9 °F
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