Merrymeeting Bay - Sturgeon Island Weather Forecast

    • 30
    • 35

    Chance Snow Showers

    • 17
    • 42

    Slight Chance Snow Showers

    • 15
    • 27

    Partly Sunny

    • 24
    • 35

    Snow Likely

    • 19
    • 33

    Mostly Cloudy

    • 28
    • 38

    Chance Snow

Today 20 Dec Sagadahoc

Partly sunny. Highs in the mid 30s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming southwest with Gusts up to 20 Mph this afternoon.

Tonight 20 Dec Sagadahoc

Cloudy. A slight chance of snow after midnight. Lows in the mid 20s. South Winds around 10 Mph with Gusts up to 25 Mph. Chance of snow 20 percent.

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  • Temperature Real-Time

Merrymeeting Bay - Sturgeon Island Temperature Statistics

December Temperature

Wiscasset Airport (6.2 miles)

  • Lowest 9 December, 2025

    -2.9 °F

  • Average December

    25.9 °F

  • Highest 18 December, 2025

    45 °F

Climate (2020–Present)

Wiscasset Airport (6.2 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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