Downtown (Boston) Weather Forecast
- 67
- 85
Rain Showers Likely
- 64
- 71
Chance Rain Showers
- 65
- 73
Rain Showers
- 66
- 81
Chance Rain Showers
- 62
- 81
Mostly Sunny
- 62
- 80
Mostly Sunny
Today 20 Aug Suffolk
Mostly sunny. Highs in the mid 80s. Northwest Winds around 5 Mph, becoming east.
Tonight 20 Aug Suffolk
Mostly cloudy. Showers Likely, mainly in the evening. Lows in the mid 60s. North Winds around 5 Mph. Chance of rain 60 percent.
Downtown (Boston) Temperature Statistics
August Temperature
Boston, Logan International Airport (1.9 miles)
Lowest 16 August, 2026
62.7 °FAverage August
77.7 °FHighest 7 August, 2026
94.6 °F
Climate (2021–2026)
Boston, Logan International Airport (1.9 miles)
Average Low 2021–2026
46.7 °FAverage 2021–2026
53.7 °FAverage High 2021–2026
61 °F