Downtown (Boston) Weather Forecast
- 52
- 77
Becoming Sunny
- 56
- 66
Mostly Sunny
- 62
- 78
Partly Sunny
- 63
- 76
Chance Rain Showers
- 58
- 75
Partly Sunny
- 58
- 70
Chance Rain Showers
Today 14 Sep Suffolk
Partly sunny. A slight chance of Showers and Thunderstorms in the morning. Highs in the lower 70s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.
Tonight 14 Sep Suffolk
Clear, cooler with Lows in the lower 50s. North Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.
Downtown (Boston) Temperature Statistics
September Temperature
Boston, Logan International Airport (1.9 miles)
Lowest 6 September, 2026
59.6 °FAverage September
70.7 °FHighest 10 September, 2026
87.7 °F
Climate (2021–2026)
Boston, Logan International Airport (1.9 miles)
Average Low 2021–2026
46.7 °FAverage 2021–2026
53.6 °FAverage High 2021–2026
61 °F