Downtown (Boston) Weather Forecast
- 73
- 89
Slight Chance Thunderstorms
- 70
- 91
Mostly Sunny
- 72
- 86
Partly Sunny
- 69
- 87
Slight Chance Rain Showers
- 68
- 83
Chance Rain Showers
- 66
- 84
Chance Rain Showers
Today 8 Aug Suffolk
Mostly sunny. Highs in the upper 80s. West Winds 5 to 10 Mph.
Tonight 8 Aug Suffolk
Partly cloudy with a slight chance of Showers and 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 20 percent.
Downtown (Boston) Temperature Statistics
August Temperature
Boston, Logan International Airport (1.9 miles)
Lowest 4 August, 2026
66.7 °FAverage August
77.7 °FHighest 4 August, 2026
87.7 °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