Back River Mouth Weather Forecast

    • 49
    • 57

    Rain Showers

    • 47
    • 63

    Rain Showers Likely

    • 45
    • 53

    Rain Showers Likely

    • 45
    • 54

    Partly Sunny

    • 47
    • 56

    Rain Showers Likely

    • 47
    • 56

    Rain Showers Likely

Today 9 May Eastern Plymouth

Mostly cloudy. A slight chance of Showers this Morning, then a chance of Showers this afternoon. Highs in the lower 60s. South Winds 5 to 10 Mph. Gusts up to 25 Mph this afternoon. Chance of rain 50 percent.

Tonight 9 May Eastern Plymouth

Mostly cloudy. Showers likely with isolated Thunderstorms in the Evening, then a chance of Showers after midnight. Patchy fog. Lows in the upper 40s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Back River Mouth Temperature Statistics

May Temperature

Marshfield Airport (3.1 miles)

  • Lowest 3 May, 2026

    35.6 °F

  • Average May

    54.8 °F

  • Highest 5 May, 2026

    75.2 °F

Climate (2021–Present)

Marshfield Airport (3.1 miles)

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  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    60.2 °F
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