Halcyon Lake Weather Forecast

    • 53
    • 80

    Mostly Sunny

    • 54
    • 80

    Mostly Sunny

    • 54
    • 80

    Mostly Sunny

    • 55
    • 79

    Mostly Cloudy

    • 56
    • 80

    Partly Sunny

    • 56
    • 81

    Partly Sunny

Today 14 Sep Eastern Dutchess

Patchy fog in the morning. Sunny. Highs in the upper 70s. Northwest Winds around 5 Mph.

Tonight 14 Sep Eastern Dutchess

Mostly clear. Lows in the lower 50s. North Winds around 5 Mph in the Evening, becoming light and variable.

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Halcyon Lake Temperature Statistics

September Temperature

Poughkeepsie, Dutchess County Airport (24.9 miles)

  • Lowest 8 September, 2025

    44.1 °F

  • Average September

    63.6 °F

  • Highest 5 September, 2025

    81 °F

Climate (2020–Present)

Poughkeepsie, Dutchess County Airport (24.9 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    63.2 °F
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