Winchester Weather Forecast
- 63
- 81
Slight Chance Thunderstorms
- 67
- 85
Mostly Cloudy
- 68
- 85
Rain Showers Likely
- 66
- 84
Rain Showers Likely
- 65
- 85
Partly Sunny
- 68
- 87
Slight Chance Thunderstorms
Today 31 Jul Southeast Middlesex
Partly sunny with a slight chance of Showers and Thunderstorms. Warmer. Near steady temperature around 80. Southeast Winds around 5 Mph. Chance of rain 20 percent.
Tonight 31 Jul Southeast Middlesex
Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Patchy fog after midnight. Humid with Lows in the lower 60s. Southwest Winds around 5 Mph. Chance of rain 20 percent.
Winchester Temperature Statistics
July Temperature
Laurence G Hanscom Field Airport (8.1 miles)
Lowest 26 July, 2026
46.9 °FAverage July
72.9 °FHighest 2 July, 2026
98.1 °F
Climate (2021–2026)
Laurence G Hanscom Field Airport (8.1 miles)
Average Low 2021–2026
41.2 °FAverage 2021–2026
51.7 °FAverage High 2021–2026
61.7 °F