Castle Island Weather Forecast

    • 42
    • 56

    Chance Rain Showers

    • 32
    • 46

    Rain/Snow

    • 29
    • 39

    Partly Sunny

    • 28
    • 39

    Partly Sunny

    • 28
    • 39

    Partly Sunny

    • 34
    • 43

    Partly Sunny

Today 4 Dec Suffolk

Mostly cloudy. A slight chance of Showers. Highs in the mid 50s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 4 Dec Suffolk

Cloudy with a 50 percent chance of Showers. Patchy fog after midnight. Lows in the lower 40s. Southwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castle Island Temperature Statistics

December Temperature

Boston, Logan International Airport (1.2 miles)

  • Lowest 2 December, 2020

    35.1 °F

  • Average December

    48 °F

  • Highest 1 December, 2020

    63 °F

Climate (2010–Present)

Boston, Logan International Airport (1.2 miles)

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  • Average Low 2010–Present

    46.9 °F

  • Average 2010–Present

    53.5 °F

  • Average High 2010–Present

    60.6 °F
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