Winchester Weather Forecast
- 54
- 68
Rain Likely
- 55
- 62
Rain Showers
- 55
- 61
Rain Showers
- 55
- 63
Rain Showers Likely
- 54
- 67
Partly Sunny
- 57
- 71
Partly Sunny
Today 25 Sep Southeast Middlesex
Partly sunny in the Morning, then cloudy with a chance of rain in the afternoon. Breezy with Highs in the upper 60s. Northeast Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of rain 30 percent.
Tonight 25 Sep Southeast Middlesex
Cloudy. A chance of rain in the Evening, then rain likely after midnight. Windy with Lows in the mid 50s. North Winds 20 to 30 Mph with Gusts up to 55 Mph. Chance of rain 60 percent.
Winchester Temperature Statistics
September Temperature
Laurence G Hanscom Field Airport (8.1 miles)
Lowest 15 September, 2026
41 °FAverage September
64.1 °FHighest 4 September, 2026
84 °F
Climate (2021–2026)
Laurence G Hanscom Field Airport (8.1 miles)
Average Low 2021–2026
41.2 °FAverage 2021–2026
51.6 °FAverage High 2021–2026
61.7 °F