Spinnaker Island Weather Forecast

    • 60
    • 73

    Increasing Clouds

    • 59
    • 70

    Partly Sunny

    • 64
    • 73

    Partly Sunny

    • 65
    • 76

    Rain Showers Likely

    • 65
    • 73

    Rain Showers Likely

    • 65
    • 75

    Chance Rain Showers

Today 25 Jul Eastern Plymouth

Sunny. Near steady temperature in the mid 70s. East Winds 5 to 10 Mph.

Tonight 25 Jul Eastern Plymouth

Mostly clear. Lows in the upper 50s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Spinnaker Island Temperature Statistics

July Temperature

Boston, Logan International Airport (6.8 miles)

  • Lowest 8 July, 2026

    61.6 °F

  • Average July

    77.1 °F

  • Highest 2 July, 2026

    101.6 °F

Climate (2021–2026)

Boston, Logan International Airport (6.8 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    61 °F
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