Sippican Harbor - Marion Weather Forecast

    • 67
    • 84

    Mostly Sunny

    • 70
    • 82

    Rain Showers

    • 64
    • 86

    Slight Chance Thunderstorms

    • 67
    • 82

    Partly Sunny

    • 70
    • 84

    Chance Rain Showers

    • 67
    • 83

    Chance Rain Showers

Today 17 Jul Southern Plymouth

Sunny. Highs in the lower 80s. Northwest Winds 5 to 10 Mph, becoming west with Gusts up to 20 Mph in the afternoon.

Tonight 17 Jul Southern Plymouth

Mostly clear. Lows in the upper 50s. Light and variable Winds.

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Sippican Harbor - Marion Temperature Statistics

July Temperature

New Bedford, New Bedford Regional Airport (9.9 miles)

  • Lowest 13 July, 2026

    55 °F

  • Average July

    74.1 °F

  • Highest 2 July, 2026

    97 °F

Climate (2021–2026)

New Bedford, New Bedford Regional Airport (9.9 miles)

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  • Average Low 2021–2026

    43.2 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    62 °F
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