Outer Brewster Island Weather Forecast
- 61
- 67
Increasing Clouds
- 61
- 69
Slight Chance Thunderstorms
- 59
- 65
Mostly Sunny
- 60
- 67
Mostly Sunny
- 61
- 69
Partly Sunny
- 62
- 69
Partly Sunny
Today 13 Sep Suffolk
Sunny. Highs in the mid 70s. South Winds 5 to 10 Mph.
Tonight 13 Sep Suffolk
Partly cloudy. Lows in the upper 50s. Southwest Winds 5 to 10 Mph.
Outer Brewster Island Temperature Statistics
September Temperature
Boston, Logan International Airport (6.8 miles)
Lowest 9 September, 2025
54 °FAverage September
66.1 °FHighest 6 September, 2025
86 °F
Climate (2020–Present)
Boston, Logan International Airport (6.8 miles)
Average Low 2020–2025
46.9 °FAverage 2020–2025
53.8 °FAverage High 2020–2025
61.1 °F