Sippican Harbor - Marion Weather Forecast

    • 62
    • 77

    Chance Rain Showers

    • 61
    • 72

    Rain Showers

    • 63
    • 72

    Rain Showers Likely

    • 62
    • 78

    Rain Showers Likely

    • 59
    • 77

    Partly Sunny

    • 57
    • 73

    Partly Sunny

Today 31 Aug Southern Plymouth

Mostly sunny. Highs in the upper 70s. North Winds 5 to 10 Mph, becoming east this afternoon.

Tonight 31 Aug Southern Plymouth

Mostly cloudy. A chance of Showers after midnight. Patchy fog after midnight. Lows in the lower 60s. South Winds around 5 Mph. Chance of rain 50 percent.

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Sippican Harbor - Marion Temperature Statistics

August Temperature

New Bedford, New Bedford Regional Airport (9.9 miles)

  • Lowest 16 August, 2026

    54 °F

  • Average August

    72.5 °F

  • Highest 7 August, 2026

    91 °F

Climate (2021–2026)

New Bedford, New Bedford Regional Airport (9.9 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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