East River Entrance Weather Forecast

    • 57
    • 66

    Rain

    • 56
    • 62

    Mostly Cloudy

    • 53
    • 62

    Slight Chance Rain Showers

    • 54
    • 62

    Breezy

    • 54
    • 62

    Chance Rain Showers

    • 54
    • 63

    Rain Showers Likely

    • 55
    • 64

    Chance Rain Showers

Today 20 Sep Southern Plymouth

Rain. Patchy fog. Near steady temperature in the lower 60s. Southeast Winds 5 to 10 Mph. Chance of rain near 100 percent.

Tonight 20 Sep Southern Plymouth

Rain. Patchy fog. Not as cool. Near steady temperature in the lower 60s. Southeast Winds 5 to 10 Mph, becoming east after midnight. Chance of rain near 100 percent.

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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 16 September, 2026

    46.4 °F

  • Average September

    66.3 °F

  • Highest 4 September, 2026

    80.6 °F

Climate (2021–2026)

Otis Air National Guard Base (9.3 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    59.1 °F
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