Castle Island Weather Forecast

    • 56
    • 67

    Rain

    • 48
    • 61

    Rain Likely

    • 46
    • 56

    Chance Rain

    • 43
    • 56

    Mostly Sunny

    • 46
    • 60

    Mostly Sunny

    • 39
    • 57

    Partly Sunny

Today 6 Nov Suffolk

Rain with a chance of Thunderstorms. Patchy fog. Near steady temperature in the mid 60s. South Winds 5 to 10 Mph. Chance of rain near 100 percent.

Tonight 6 Nov Suffolk

Rain. Patchy fog. Lows in the mid 50s. Southwest Winds around 5 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • 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

    57.5 °F

  • Highest 3 November, 2026

    73 °F

Climate (2021–2026)

Boston, Logan International Airport (1.2 miles)

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  • Average Low 2021–2026

    46.5 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    61 °F
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