Sippican Harbor - Stewart Island Weather Forecast

    • 31
    • 38

    Rain/Snow

    • 34
    • 41

    Partly Sunny

    • 37
    • 46

    Chance Rain

    • 42
    • 47

    Rain Likely

    • 26
    • 48

    Slight Chance Rain

    • 29
    • 36

    Mostly Sunny

Today 23 Mar Southern Plymouth

Rain with snow likely in the Morning, then a chance of snow Showers in the afternoon. Snow accumulation up to 1 inch. Near steady temperature in the mid 30s. North Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of precipitation near 100 percent.

Tonight 23 Mar Southern Plymouth

Rain. Near steady temperature in the upper 30s. North Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

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Sippican Harbor - Stewart Island Temperature Statistics

March Temperature

New Bedford, New Bedford Regional Airport (9.9 miles)

  • Lowest 3 March, 2026

    3.9 °F

  • Average March

    37.7 °F

  • Highest 9 March, 2026

    66.9 °F

Climate (2021–Present)

New Bedford, New Bedford Regional Airport (9.9 miles)

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  • Average Low 2021–2026

    43.3 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    62 °F
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