East River Entrance Weather Forecast

    • 37
    • 48

    Increasing Clouds

    • 34
    • 45

    Rain Likely

    • 29
    • 38

    Chance Rain

    • 32
    • 39

    Mostly Cloudy

    • 30
    • 43

    Chance Rain

    • 35
    • 43

    Chance Rain

Today 21 Mar Southern Plymouth

Mostly cloudy this Morning, then becoming mostly sunny. Highs around 50. Northwest Winds 5 to 10 Mph. Gusts up to 25 Mph.

Tonight 21 Mar Southern Plymouth

Mostly cloudy. Lows in the mid 30s. North Winds 5 to 10 Mph, becoming southeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

East River Entrance Temperature Statistics

March Temperature

Otis Air National Guard Base (9.3 miles)

  • Lowest 3 March, 2026

    6.8 °F

  • Average March

    38.1 °F

  • Highest 9 March, 2026

    62.6 °F

Climate (2021–Present)

Otis Air National Guard Base (9.3 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    59.2 °F
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