Castle Island Weather Forecast

    • 36
    • 45

    Rain Likely

    • 38
    • 47

    Mostly Cloudy

    • 38
    • 48

    Partly Sunny

    • 36
    • 49

    Mostly Sunny

    • 40
    • 53

    Sunny

    • 43
    • 58

    Mostly Sunny

Today 13 Nov Suffolk

Cloudy. Rain, mainly in the morning. Cooler. Near steady temperature in the lower 40s. North Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 80 percent.

Tonight 13 Nov Suffolk

Cloudy. Near steady temperature in the upper 30s. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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  • Temperature Real-Time

Castle Island Temperature Statistics

November Temperature

Boston, Logan International Airport (1.2 miles)

  • Lowest 1 November, 2026

    40.6 °F

  • Average November

    58.6 °F

  • Highest 4 November, 2026

    77.6 °F

Climate (2021–2026)

Boston, Logan International Airport (1.2 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    61 °F
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