Winchester Weather Forecast
- 53
- 60
Rain Showers
- 56
- 68
Mostly Cloudy
- 55
- 71
Partly Sunny
- 66
- 78
Partly Sunny
- 57
- 79
Partly Sunny
- 51
- 68
Partly Sunny
- 54
- 66
Chance Rain Showers
Today 28 Sep Southeast Middlesex
Showers. Patchy fog. Near steady temperature in the upper 50s. Northeast Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain near 100 percent.
Tonight 28 Sep Southeast Middlesex
Cloudy. Showers, mainly in the evening. Patchy fog. Near steady temperature in the mid 50s. North Winds 5 to 10 Mph. Chance of rain 90 percent.
Winchester Temperature Statistics
September Temperature
Laurence G Hanscom Field Airport (8.1 miles)
Lowest 25 September, 2026
39 °FAverage September
62.6 °FHighest 4 September, 2026
84 °F
Climate (2021–2026)
Laurence G Hanscom Field Airport (8.1 miles)
Average Low 2021–2026
41.1 °FAverage 2021–2026
51.6 °FAverage High 2021–2026
61.6 °F