Outer Brewster Island Weather Forecast

    • 60
    • 71

    Becoming Sunny

    • 61
    • 70

    Mostly Sunny

    • 67
    • 74

    Partly Sunny

    • 72
    • 80

    Partly Sunny

    • 70
    • 85

    Chance Rain Showers

    • 67
    • 74

    Chance Rain Showers

Today 21 Jul Suffolk

Mostly sunny. Highs in the upper 70s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 21 Jul Suffolk

Mostly clear. Cooler with Lows in the mid 50s. North Winds 10 to 15 Mph.

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Outer Brewster Island Temperature Statistics

July Temperature

Boston, Logan International Airport (6.8 miles)

  • Lowest 10 July, 2025

    63.6 °F

  • Average July

    76.5 °F

  • Highest 16 July, 2025

    95.6 °F

Climate (2020–Present)

Boston, Logan International Airport (6.8 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    53.8 °F

  • Average High 2020–2025

    61.2 °F
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