East River Entrance Weather Forecast

    • 58
    • 73

    Increasing Clouds

    • 59
    • 70

    Partly Sunny

    • 62
    • 70

    Chance Rain Showers

    • 62
    • 73

    Chance Rain Showers

    • 56
    • 77

    Mostly Sunny

    • 52
    • 64

    Mostly Sunny

    • 56
    • 67

    Partly Sunny

Today 15 Sep Southern Plymouth

Mostly sunny. Highs in the mid 70s. Northeast Winds 5 to 10 Mph.

Tonight 15 Sep Southern Plymouth

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 50s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

East River Entrance Temperature Statistics

September Temperature

Otis Air National Guard Base (9.3 miles)

  • Lowest 13 September, 2025

    44.6 °F

  • Average September

    63.9 °F

  • Highest 6 September, 2025

    82.4 °F

Climate (2020–Present)

Otis Air National Guard Base (9.3 miles)

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  • Average Low 2020–2025

    44 °F

  • Average 2020–2025

    52.2 °F

  • Average High 2020–2025

    59.4 °F
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