Winchester Weather Forecast
- 71
- 91
Chance Rain Showers
- 68
- 91
Mostly Sunny
- 70
- 90
Partly Sunny
- 66
- 88
Partly Sunny
- 66
- 86
Partly Sunny
- 64
- 85
Chance Rain Showers
- 60
- 83
Mostly Sunny
Today 8 Aug Southeast Middlesex
Mostly sunny. Near steady temperature in the upper 80s. West Winds 5 to 10 Mph.
Tonight 8 Aug Southeast Middlesex
Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms this Evening, then mostly clear after midnight. Lows in the lower 70s. West Winds 5 to 10 Mph. Chance of rain 40 percent.
Winchester Temperature Statistics
August Temperature
Laurence G Hanscom Field Airport (8.1 miles)
Lowest 4 August, 2026
60.1 °FAverage August
75.4 °FHighest 6 August, 2026
90 °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