Monadnock Mountain Weather Forecast

    • 63
    • 72

    Rain Showers Likely

    • 55
    • 76

    Mostly Cloudy

    • 49
    • 67

    Mostly Sunny

    • 57
    • 70

    Partly Sunny

    • 58
    • 72

    Mostly Cloudy

    • 53
    • 70

    Partly Sunny

Today 9 Sep Cheshire

Cloudy. Patchy fog in the morning. A chance of Sprinkles in the Morning, then a slight chance of Showers in the afternoon. Highs in the mid 70s. Light and variable Winds, becoming south around 10 Mph in the afternoon. Chance of rain 20 percent.

Tonight 9 Sep Cheshire

Mostly cloudy. A slight chance of Showers in the Evening, then Showers likely after midnight. Lows in the mid 60s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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Monadnock Mountain Temperature Statistics

September Temperature

Jaffrey Airport-Silver Ranch (6.2 miles)

  • Lowest 6 September, 2026

    48.9 °F

  • Average September

    64.1 °F

  • Highest 4 September, 2026

    79 °F

Climate (2021–2026)

Jaffrey Airport-Silver Ranch (6.2 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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