Mattapoisett Weather Forecast

    • 67
    • 76

    Increasing Clouds

    • 66
    • 73

    Rain Showers

    • 64
    • 73

    Rain Showers Likely

    • 65
    • 78

    Chance Rain Showers

    • 67
    • 81

    Partly Sunny

    • 69
    • 86

    Mostly Cloudy

Today 28 Jul Southern Plymouth

Partly sunny. A slight chance of Showers in the afternoon. Humid with Highs in the upper 70s. South Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 28 Jul Southern Plymouth

Partly cloudy. Near steady temperature in the upper 60s. Southwest Winds around 5 Mph.

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Mattapoisett Temperature Statistics

July Temperature

New Bedford, New Bedford Regional Airport (7.5 miles)

  • Lowest 20 July, 2026

    51.1 °F

  • Average July

    72.6 °F

  • Highest 2 July, 2026

    97 °F

Climate (2021–2026)

New Bedford, New Bedford Regional Airport (7.5 miles)

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  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    61.9 °F
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