Merrymeeting Bay - Muddy River Entrance Weather Forecast

    • 52
    • 77

    Partly Sunny

    • 51
    • 76

    Mostly Sunny

    • 52
    • 76

    Mostly Sunny

    • 54
    • 75

    Partly Sunny

    • 56
    • 77

    Partly Sunny

    • 46
    • 77

    Mostly Sunny

    • 42
    • 67

    Mostly Sunny

Today 14 Sep Sagadahoc

Partly sunny with isolated Showers. Highs in the mid 70s. Light and variable Winds. Chance of rain 20 percent.

Tonight 14 Sep Sagadahoc

Partly cloudy in the Evening, then clearing. Lows in the lower 50s. Light and variable Winds.

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Merrymeeting Bay - Muddy River Entrance Temperature Statistics

September Temperature

Wiscasset Airport (8.7 miles)

  • Lowest 9 September, 2025

    44.1 °F

  • Average September

    63.1 °F

  • Highest 1 September, 2025

    82 °F

Climate (2020–Present)

Wiscasset Airport (8.7 miles)

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  • Average Low 2020–2025

    38.9 °F

  • Average 2020–2025

    48.5 °F

  • Average High 2020–2025

    57.9 °F
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