Fitzwilliam Weather Forecast

    • 50
    • 76

    Mostly Sunny

    • 49
    • 76

    Partly Sunny

    • 52
    • 73

    Mostly Cloudy

    • 54
    • 78

    Mostly Sunny

    • 41
    • 72

    Mostly Sunny

    • 40
    • 65

    Mostly Sunny

Today 15 Sep Cheshire

Mostly sunny. Patchy fog. Highs in the upper 70s. Light and variable Winds.

Tonight 15 Sep Cheshire

Mostly clear. Patchy fog. Lows in the lower 50s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fitzwilliam Temperature Statistics

September Temperature

Jaffrey Airport-Silver Ranch (6.8 miles)

  • Lowest 9 September, 2025

    39.9 °F

  • Average September

    60.9 °F

  • Highest 6 September, 2025

    79 °F

Climate (2020–Present)

Jaffrey Airport-Silver Ranch (6.8 miles)

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  • Average Low 2020–2025

    38.8 °F

  • Average 2020–2025

    48.7 °F

  • Average High 2020–2025

    58.3 °F
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