Cohasset Harbor - White Head Weather Forecast

    • 36
    • 48

    Slight Chance Rain

    • 35
    • 48

    Rain

    • 30
    • 39

    Chance Snow Showers

    • 34
    • 41

    Partly Sunny

    • 35
    • 48

    Slight Chance Rain

    • 39
    • 49

    Rain/Snow Likely

    • 27
    • 46

    Partly Sunny

Today 21 Mar Eastern Plymouth

Mostly sunny. Near steady temperature in the upper 40s. North Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 21 Mar Eastern Plymouth

Mostly cloudy. Lows in the mid 30s. Northeast Winds around 5 Mph, becoming southeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cohasset Harbor - White Head Temperature Statistics

March Temperature

Marshfield Airport (11.8 miles)

  • Lowest 3 March, 2026

    12.2 °F

  • Average March

    39.6 °F

  • Highest 10 March, 2026

    73.4 °F

Climate (2021–Present)

Marshfield Airport (11.8 miles)

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  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    60.3 °F
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