Cohasset Weather Forecast

    • 45
    • 61

    Decreasing Clouds

    • 42
    • 59

    Slight Chance Rain Showers

    • 41
    • 55

    Slight Chance Rain Showers

    • 40
    • 52

    Chance Rain Showers

    • 42
    • 52

    Chance Rain Showers

    • 44
    • 53

    Chance Rain Showers

Today 23 Oct Eastern Plymouth

Sunny. Highs in the lower 60s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 23 Oct Eastern Plymouth

Partly cloudy. Near steady temperature in the upper 40s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cohasset Temperature Statistics

October Temperature

Marshfield Airport (11.8 miles)

  • Lowest 10 October, 2025

    35.6 °F

  • Average October

    57 °F

  • Highest 6 October, 2025

    82.4 °F

Climate (2020–Present)

Marshfield Airport (11.8 miles)

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  • Average Low 2020–2025

    44.6 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    60.6 °F
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