Harmonyville Weather Forecast

    • 50
    • 76

    Dense Fog

    • 48
    • 78

    Partly Sunny

    • 53
    • 73

    Mostly Cloudy

    • 55
    • 79

    Partly Sunny

    • 42
    • 74

    Mostly Sunny

    • 42
    • 67

    Mostly Sunny

    • 49
    • 72

    Partly Sunny

Today 15 Sep Western Windham

Sunny. Near steady temperature in the mid 70s. Light and variable Winds.

Tonight 15 Sep Western Windham

Mostly clear. Patchy fog after midnight. Lows in the upper 40s. Light and variable Winds.

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Harmonyville Temperature Statistics

September Temperature

Keene, Dillant-Hopkins Airport (21.7 miles)

  • Lowest 9 September, 2025

    37.9 °F

  • Average September

    61.1 °F

  • Highest 2 September, 2025

    80.1 °F

Climate (2020–Present)

Keene, Dillant-Hopkins Airport (21.7 miles)

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  • Average Low 2020–2025

    38 °F

  • Average 2020–2025

    48.3 °F

  • Average High 2020–2025

    59 °F
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