Cohasset Harbor - Cohasset Cove Weather Forecast

    • 53
    • 67

    Rain Showers

    • 55
    • 72

    Partly Sunny

    • 57
    • 71

    Partly Sunny

    • 56
    • 68

    Rain Showers Likely

    • 54
    • 75

    Mostly Sunny

    • 52
    • 66

    Mostly Sunny

Today 7 Sep Eastern Plymouth

Showers likely with isolated Thunderstorms this Morning, then Showers likely this afternoon. Patchy fog. Cooler with Highs in the upper 60s. North Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 7 Sep Eastern Plymouth

Mostly cloudy. A slight chance of Showers in the evening. Patchy fog in the evening. Lows in the lower 50s. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Cohasset Harbor - Cohasset Cove Temperature Statistics

September Temperature

Marshfield Airport (11.2 miles)

  • Lowest 1 September, 2025

    50 °F

  • Average September

    63.5 °F

  • Highest 4 September, 2025

    77 °F

Climate (2020–Present)

Marshfield Airport (11.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    44.6 °F

  • Average 2020–2025

    52.9 °F

  • Average High 2020–2025

    60.7 °F
Get WillyWeather+ to remove ads