Winchendon Weather Forecast
- 60
- 75
Rain Showers Likely
- 43
- 71
Partly Sunny
- 44
- 65
Partly Sunny
- 45
- 57
Rain Showers
- 43
- 62
Partly Sunny
- 42
- 60
Partly Sunny
Today 17 Sep Northern Worcester
Partly Sunny, then mostly cloudy with a chance of Showers. Highs in the upper 70s. South Winds around 5 Mph. Chance of rain 50 percent.
Tonight 17 Sep Northern Worcester
Mostly cloudy. Showers likely with isolated Thunderstorms in the Evening, then a chance of Showers after midnight. Patchy fog. Humid with Lows in the lower 60s. Southwest Winds around 5 Mph, becoming west around 5 Mph after midnight. Chance of rain 70 percent.
Winchendon Temperature Statistics
September Temperature
Jaffrey Airport-Silver Ranch (8.1 miles)
Lowest 15 September, 2026
41 °FAverage September
62.8 °FHighest 10 September, 2026
81 °F
Climate (2021–2026)
Jaffrey Airport-Silver Ranch (8.1 miles)
Average Low 2021–2026
38.3 °FAverage 2021–2026
48.4 °FAverage High 2021–2026
58.1 °F