Port of Boston Weather Forecast
- 69
- 86
Mostly Sunny
- 65
- 83
Chance Rain Showers
- 64
- 77
Chance Rain Showers
- 67
- 75
Chance Rain Showers
- 67
- 77
Chance Rain Showers
- 64
- 78
Mostly Sunny
- 64
- 77
Mostly Sunny
Today 19 Aug Suffolk
Sunny. Near steady temperature in the mid 80s. Southwest Winds 5 to 10 Mph.
Tonight 19 Aug Suffolk
Partly cloudy this Evening, then becoming mostly clear. Lows in the upper 60s. Southwest Winds 5 to 10 Mph.
Port of Boston Temperature Statistics
August Temperature
Boston, Logan International Airport (1.2 miles)
Lowest 16 August, 2026
62.7 °FAverage August
78.1 °FHighest 7 August, 2026
94.6 °F
Climate (2021–2026)
Boston, Logan International Airport (1.2 miles)
Average Low 2021–2026
46.7 °FAverage 2021–2026
53.7 °FAverage High 2021–2026
61 °F