Winchester Weather Forecast
- 65
- 89
Mostly Sunny
- 65
- 86
Partly Sunny
- 64
- 85
Chance Rain Showers
- 59
- 82
Mostly Sunny
- 58
- 82
Mostly Sunny
- 62
- 82
Partly Sunny
Today 11 Aug Southeast Middlesex
Sunny. Highs in the upper 80s. West Winds 5 to 10 Mph. Gusts up to 20 Mph in the afternoon.
Tonight 11 Aug Southeast Middlesex
Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 60s. Northwest Winds 5 to 10 Mph.
Winchester Temperature Statistics
August Temperature
Laurence G Hanscom Field Airport (8.1 miles)
Lowest 4 August, 2026
60.1 °FAverage August
76.6 °FHighest 7 August, 2026
91 °F
Climate (2021–2026)
Laurence G Hanscom Field Airport (8.1 miles)
Average Low 2021–2026
41.3 °FAverage 2021–2026
51.7 °FAverage High 2021–2026
61.7 °F