Green Harbor River Mouth Weather Forecast

    • 30
    • 32

    Increasing Clouds

    • 33
    • 36

    Partly Sunny

    • 36
    • 46

    Chance Rain

    • 36
    • 44

    Chance Rain

    • 35
    • 46

    Chance Rain/Snow

    • 29
    • 43

    Mostly Sunny

Today 18 Mar Eastern Plymouth

Mostly sunny. Highs in the upper 30s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming north in the afternoon.

Tonight 18 Mar Eastern Plymouth

Mostly clear. Much cooler with Lows in the lower 20s. West Winds 5 to 10 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Green Harbor River Mouth Temperature Statistics

March Temperature

Marshfield Airport (1.9 miles)

  • Lowest 3 March, 2026

    12.2 °F

  • Average March

    39.9 °F

  • Highest 10 March, 2026

    73.4 °F

Climate (2021–Present)

Marshfield Airport (1.9 miles)

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  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    60.3 °F
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