Merrymeeting Bay - Sturgeon Island Weather Forecast

    • 24
    • 40

    Decreasing Clouds

    • 38
    • 46

    Mostly Cloudy

    • 23
    • 53

    Rain

    • 27
    • 35

    Chance Snow

    • 18
    • 41

    Slight Chance Rain

    • 14
    • 29

    Partly Sunny

Today 17 Dec Sagadahoc

Partly sunny. Highs in the upper 30s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 17 Dec Sagadahoc

Partly cloudy. Lows in the lower 20s. Southwest Winds around 10 Mph with Gusts up to 25 Mph.

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Merrymeeting Bay - Sturgeon Island Temperature Statistics

December Temperature

Wiscasset Airport (6.2 miles)

  • Lowest 9 December, 2025

    -2.9 °F

  • Average December

    24.6 °F

  • Highest 10 December, 2025

    41 °F

Climate (2020–Present)

Wiscasset Airport (6.2 miles)

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  • Average Low 2020–2025

    38.9 °F

  • Average 2020–2025

    48.5 °F

  • Average High 2020–2025

    58 °F
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