Green Harbor River - Brant Rock Weather Forecast

    • 69
    • 79

    Rain Showers Likely

    • 60
    • 75

    Mostly Sunny

    • 66
    • 76

    Mostly Sunny

    • 70
    • 82

    Rain Showers Likely

    • 68
    • 84

    Rain Showers Likely

    • 67
    • 82

    Slight Chance Rain Showers

Today 18 Jul Eastern Plymouth

Partly sunny in the Morning, then mostly cloudy with Showers likely with a chance of Thunderstorms in the afternoon. Patchy smoke. Some Thunderstorms may produce heavy rainfall in the afternoon. Locally heavy rainfall possible in the afternoon. Highs in the mid 80s. Temperature falling into the mid 70s in the afternoon. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph, increasing to 15 to 20 Mph with Gusts up to 35 Mph in the afternoon. Chance of rain 70 percent.

Tonight 18 Jul Eastern Plymouth

Partly cloudy. Patchy smoke. Near steady temperature in the lower 60s. Southwest Winds around 5 Mph.

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Green Harbor River - Brant Rock Temperature Statistics

July Temperature

Marshfield Airport (1.2 miles)

  • Lowest 12 July, 2026

    59 °F
  • Average July

    75.8 °F
  • Highest 2 July, 2026

    100.4 °F

Climate (2021–2026)

Marshfield Airport (1.2 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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