Halcyon Lake Weather Forecast

    • 45
    • 65

    Mostly Cloudy

    • 43
    • 66

    Partly Sunny

    • 45
    • 66

    Chance Rain Showers

    • 47
    • 64

    Chance Rain Showers

    • 47
    • 63

    Chance Rain Showers

    • 48
    • 67

    Slight Chance Rain Showers

Today 22 Sep Eastern Dutchess

Partly sunny. Highs in the lower 60s. Northeast Winds around 5 Mph.

Tonight 22 Sep Eastern Dutchess

Mostly cloudy. Lows in the mid 40s. Northeast Winds around 5 Mph. Gusts up to 20 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Halcyon Lake Temperature Statistics

September Temperature

Poughkeepsie, Dutchess County Airport (24.9 miles)

  • Lowest 15 September, 2026

    45.6 °F

  • Average September

    68.2 °F

  • Highest 10 September, 2026

    87.7 °F

Climate (2021–2026)

Poughkeepsie, Dutchess County Airport (24.9 miles)

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  • Average Low 2021–2026

    42 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    63.1 °F
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