Wappinger Lake Weather Forecast

    • 65
    • 80

    Isolated Thunderstorms

    • 57
    • 84

    Partly Sunny

    • 55
    • 79

    Mostly Sunny

    • 53
    • 75

    Mostly Sunny

    • 55
    • 78

    Mostly Sunny

    • 57
    • 80

    Partly Sunny

    • 64
    • 79

    Mostly Cloudy

Today 3 Sep Western Dutchess

Partly sunny with isolated Showers and Thunderstorms. Warmer. Near steady temperature in the lower 80s. West Winds around 5 Mph. Chance of rain 20 percent.

Tonight 3 Sep Western Dutchess

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog. Humid with Lows in the mid 60s. West Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Wappinger Lake Temperature Statistics

September Temperature

Poughkeepsie, Dutchess County Airport (1.9 miles)

  • Lowest 1 September, 2026

    64.9 °F

  • Average September

    71.2 °F

  • Highest 1 September, 2026

    81 °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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