Back River Mouth Weather Forecast

    • 70
    • 83

    Slight Chance Thunderstorms

    • 68
    • 84

    Partly Sunny

    • 67
    • 79

    Partly Sunny

    • 66
    • 80

    Chance Rain Showers

    • 63
    • 75

    Mostly Sunny

    • 63
    • 72

    Mostly Sunny

    • 65
    • 73

    Chance Rain Showers

Today 10 Aug Eastern Plymouth

Sunny. Near steady temperature in the upper 80s. South Winds 5 to 10 Mph.

Tonight 10 Aug Eastern Plymouth

Mostly cloudy. Lows around 70. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Back River Mouth Temperature Statistics

August Temperature

Marshfield Airport (3.1 miles)

  • Lowest 4 August, 2026

    62.6 °F

  • Average August

    77.5 °F

  • Highest 6 August, 2026

    89.6 °F

Climate (2021–2026)

Marshfield Airport (3.1 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    60.2 °F
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