Middlesex Fells Reservation Weather Forecast
- 54
- 73
Partly Sunny
- 55
- 73
Partly Sunny
- 59
- 72
Slight Chance Rain Showers
- 61
- 79
Mostly Sunny
- 50
- 80
Mostly Sunny
- 47
- 66
Mostly Sunny
- 53
- 71
Mostly Sunny
Today 15 Sep Southeast Middlesex
Mostly sunny. Near steady temperature in the lower 70s. East Winds 5 to 10 Mph.
Tonight 15 Sep Southeast Middlesex
Partly cloudy. Lows in the mid 50s. East Winds around 5 Mph in the Evening, becoming light and variable.
Middlesex Fells Reservation Temperature Statistics
September Temperature
Boston, Logan International Airport (8.1 miles)
Lowest 9 September, 2025
54 °FAverage September
65.6 °FHighest 6 September, 2025
86 °F
Climate (2020–Present)
Boston, Logan International Airport (8.1 miles)
Average Low 2020–2025
46.9 °FAverage 2020–2025
53.8 °FAverage High 2020–2025
61.1 °F