Outer Brewster Island Weather Forecast

    • 61
    • 67

    Slight Chance Rain Showers

    • 60
    • 66

    Mostly Sunny

    • 64
    • 72

    Mostly Sunny

    • 64
    • 73

    Partly Sunny

    • 69
    • 73

    Chance Rain Showers

    • 62
    • 76

    Partly Sunny

    • 61
    • 68

    Partly Sunny

Today 5 Sep Suffolk

Mostly cloudy with isolated Showers. Cooler. Near steady temperature in the upper 60s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 5 Sep Suffolk

Mostly cloudy. Lows in the upper 50s. North Winds 5 to 10 Mph.

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  • Temperature Real-Time

Outer Brewster Island Temperature Statistics

September Temperature

Boston, Logan International Airport (6.8 miles)

  • Lowest 3 September, 2026

    63 °F

  • Average September

    67.5 °F

  • Highest 2 September, 2026

    72.6 °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

    53.6 °F

  • Average High 2021–2026

    61 °F
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