Outer Brewster Island Weather Forecast

    • 70
    • 79

    Slight Chance Thunderstorms

    • 68
    • 83

    Mostly Sunny

    • 70
    • 81

    Partly Sunny

    • 68
    • 85

    Chance Rain Showers

    • 67
    • 77

    Slight Chance Rain Showers

    • 65
    • 77

    Slight Chance Thunderstorms

Today 8 Aug Suffolk

Mostly sunny. Near steady temperature in the upper 80s. West Winds 5 to 10 Mph.

Tonight 8 Aug Suffolk

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Evening, then mostly clear after midnight. Humid with Lows in the lower 70s. West Winds 5 to 10 Mph. Chance of rain 40 percent.

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Outer Brewster Island Temperature Statistics

August Temperature

Boston, Logan International Airport (6.8 miles)

  • Lowest 4 August, 2026

    66.7 °F

  • Average August

    78 °F

  • Highest 5 August, 2026

    88.6 °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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