Chestnut Hill Weather Forecast
- 60
- 82
Becoming Sunny
- 70
- 85
Chance Rain Showers
- 64
- 84
Chance Thunderstorms
- 58
- 78
Mostly Sunny
- 60
- 79
Mostly Sunny
- 68
- 83
Partly Sunny
- 72
- 87
Slight Chance Thunderstorms
Today 18 Jul Southeast Middlesex
Mostly sunny. Near steady temperature around 80. Northwest Winds 5 to 10 Mph.
Tonight 18 Jul Southeast Middlesex
Mostly clear. Cooler with Lows in the upper 50s. North Winds around 5 Mph.
Chestnut Hill Temperature Statistics
July Temperature
Boston, Logan International Airport (8.1 miles)
Lowest 10 July, 2025
63.6 °FAverage July
76 °FHighest 16 July, 2025
95 °F
Climate (2020–Present)
Boston, Logan International Airport (8.1 miles)
Average Low 2020–2025
47 °FAverage 2020–2025
53.8 °FAverage High 2020–2025
61.2 °F