Boston Harbor Islands State Park Weather Forecast

    • 36
    • 48

    Chance Rain

    • 40
    • 44

    Mostly Cloudy

    • 37
    • 46

    Partly Sunny

    • 48
    • 51

    Rain Likely

    • 44
    • 55

    Chance Rain

    • 36
    • 47

    Slight Chance Rain

Today 22 Nov Eastern Plymouth

Cloudy with a chance of Showers in the Morning, then partly sunny in the afternoon. Highs in the upper 40s. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the afternoon. Chance of rain 50 percent.

Tonight 22 Nov Eastern Plymouth

Mostly cloudy with a 20 percent chance of rain. Near steady temperature around 40. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

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Boston Harbor Islands State Park Temperature Statistics

November Temperature

Boston, Logan International Airport (5.6 miles)

  • Lowest 7 November, 2025

    34 °F

  • Average November

    45.2 °F

  • Highest 8 November, 2025

    62.1 °F

Climate (2020–Present)

Boston, Logan International Airport (5.6 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    53.8 °F

  • Average High 2020–2025

    61.1 °F
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