Winchendon Weather Forecast

    • 63
    • 79

    Chance Thunderstorms

    • 55
    • 78

    Chance Thunderstorms

    • 55
    • 77

    Mostly Sunny

    • 60
    • 78

    Mostly Cloudy

    • 57
    • 78

    Slight Chance Rain Showers

    • 57
    • 73

    Chance Rain Showers

Today 27 Aug Northern Worcester

Partly sunny. Isolated Showers, then scattered Showers with isolated Thunderstorms. Some Thunderstorms may produce gusty Winds, small Hail, and heavy rainfall. Highs around 80. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 27 Aug Northern Worcester

Mostly cloudy. Scattered Showers with isolated Thunderstorms in the Evening, then isolated Showers and Thunderstorms after midnight. Patchy fog. Some Thunderstorms may produce gusty Winds, small Hail, and heavy rainfall. Humid with Lows in the mid 60s. South Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of rain 50 percent.

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Winchendon Temperature Statistics

August Temperature

Jaffrey Airport-Silver Ranch (8.1 miles)

  • Lowest 16 August, 2026

    48 °F

  • Average August

    70 °F

  • Highest 6 August, 2026

    88 °F

Climate (2021–2026)

Jaffrey Airport-Silver Ranch (8.1 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    48.4 °F

  • Average High 2021–2026

    58.1 °F
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