Winchendon Weather Forecast

    • 64
    • 86

    Isolated Thunderstorms

    • 60
    • 84

    Chance Thunderstorms

    • 57
    • 80

    Mostly Sunny

    • 58
    • 83

    Mostly Sunny

    • 62
    • 84

    Mostly Sunny

    • 66
    • 88

    Partly Sunny

Today 9 Jul Northern Worcester

Partly sunny. Isolated Showers and Thunderstorms this afternoon. Some Thunderstorms may produce heavy rainfall this afternoon. Highs in the upper 80s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon. Chance of rain 20 percent.

Tonight 9 Jul Northern Worcester

Mostly cloudy. Patchy fog after midnight. Humid with Lows in the mid 60s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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Winchendon Temperature Statistics

July Temperature

Jaffrey Airport-Silver Ranch (8.1 miles)

  • Lowest 5 July, 2026

    62.1 °F

  • Average July

    77.2 °F

  • Highest 2 July, 2026

    95 °F

Climate (2021–2026)

Jaffrey Airport-Silver Ranch (8.1 miles)

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  • Average Low 2021–2026

    38.4 °F

  • Average 2021–2026

    48.3 °F

  • Average High 2021–2026

    58 °F
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