Wappinger Lake Weather Forecast

    • 63
    • 80

    Rain Showers

    • 61
    • 80

    Rain Showers

    • 48
    • 74

    Mostly Sunny

    • 54
    • 74

    Mostly Sunny

    • 61
    • 80

    Partly Sunny

    • 62
    • 83

    Slight Chance Rain Showers

    • 56
    • 79

    Chance Rain Showers

Today 12 Sep Western Dutchess

Partly sunny. Near steady temperature in the upper 70s. South Winds around 5 Mph.

Tonight 12 Sep Western Dutchess

Mostly cloudy. Showers with a chance of Thunderstorms after midnight. Not as cool with Lows in the lower 60s. Southeast Winds 5 to 10 Mph. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Wappinger Lake Temperature Statistics

September Temperature

Poughkeepsie, Dutchess County Airport (1.9 miles)

  • Lowest 7 September, 2026

    48.7 °F

  • Average September

    70.1 °F

  • Highest 10 September, 2026

    87.1 °F

Climate (2021–2026)

Poughkeepsie, Dutchess County Airport (1.9 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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