Spinnaker Island Weather Forecast

    • 31
    • 37

    Chance Snow

    • 33
    • 48

    Rain Likely

    • 26
    • 38

    Breezy

    • 31
    • 34

    Breezy

    • 32
    • 39

    Chance Snow

    • 21
    • 36

    Chance Snow

    • 23
    • 27

    Partly Sunny

Today 9 Dec Eastern Plymouth

Mostly sunny. Highs in the upper 30s. Southwest Winds 5 to 10 Mph.

Tonight 9 Dec Eastern Plymouth

Mostly cloudy. A slight chance of freezing rain and snow this Evening, then a chance of snow with a slight chance of rain after midnight. Not as cool with Lows in the mid 20s. Temperature rising into the mid 30s after midnight. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph, increasing to 30 Mph after midnight. Chance of precipitation 30 percent.

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Spinnaker Island Temperature Statistics

December Temperature

Boston, Logan International Airport (6.8 miles)

  • Lowest 5 December, 2025

    12 °F

  • Average December

    32.9 °F

  • Highest 1 December, 2025

    43 °F

Climate (2020–Present)

Boston, Logan International Airport (6.8 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    53.8 °F

  • Average High 2020–2025

    61.1 °F
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