Cohasset Harbor - Cohasset Cove Weather Forecast

    • 27
    • 41

    Snow

    • 16
    • 33

    Snow

    • 21
    • 29

    Partly Sunny

    • 24
    • 34

    Partly Sunny

    • 29
    • 46

    Mostly Cloudy

    • 39
    • 52

    Chance Rain Showers

Today 13 Dec Eastern Plymouth

Cloudy. Highs in the lower 40s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 13 Dec Eastern Plymouth

A chance of snow in the Evening, then snow after midnight. Snow accumulation around an inch. Lows in the mid 20s. West Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of snow near 100 percent.

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Cohasset Harbor - Cohasset Cove Temperature Statistics

December Temperature

Marshfield Airport (11.2 miles)

  • Lowest 5 December, 2025

    12.2 °F

  • Average December

    32.5 °F

  • Highest 10 December, 2025

    50 °F

Climate (2020–Present)

Marshfield Airport (11.2 miles)

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  • Average Low 2020–2025

    44.4 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    60.4 °F
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