Cohasset Harbor - White Head Weather Forecast

    • 71
    • 83

    Chance Rain Showers

    • 64
    • 78

    Mostly Sunny

    • 68
    • 79

    Chance Thunderstorms

    • 64
    • 77

    Chance Thunderstorms

    • 61
    • 73

    Mostly Sunny

    • 64
    • 76

    Partly Sunny

Today 17 Jul Eastern Plymouth

Partly sunny with a slight chance of Showers with isolated Thunderstorms. Near steady temperature in the lower 80s. Southwest Winds 10 to 15 Mph. Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 17 Jul Eastern Plymouth

Partly cloudy in the Evening, then clearing. Humid with Lows in the lower 70s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

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Cohasset Harbor - White Head Temperature Statistics

July Temperature

Marshfield Airport (11.8 miles)

  • Lowest 5 July, 2025

    55.4 °F

  • Average July

    74.3 °F

  • Highest 1 July, 2025

    89.6 °F

Climate (2020–Present)

Marshfield Airport (11.8 miles)

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  • Average Low 2020–2025

    44.8 °F

  • Average 2020–2025

    53.1 °F

  • Average High 2020–2025

    60.9 °F
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