Lake Oniad Weather Forecast

    • 71
    • 88

    Rain Showers Likely

    • 71
    • 88

    Chance Thunderstorms

    • 64
    • 88

    Mostly Sunny

    • 71
    • 89

    Chance Rain Showers

    • 67
    • 87

    Chance Thunderstorms

    • 65
    • 84

    Chance Rain Showers

Today 7 Aug Western Dutchess

Mostly sunny with a slight chance of Showers and Thunderstorms. Some Thunderstorms may produce heavy rainfall. Hot. Near steady temperature in the upper 80s. Light and variable Winds. Chance of rain 20 percent.

Tonight 7 Aug Western Dutchess

Mostly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Humid with Lows in the lower 70s. Light and variable Winds. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Oniad Temperature Statistics

August Temperature

Poughkeepsie, Dutchess County Airport (2.5 miles)

  • Lowest 4 August, 2026

    57.7 °F

  • Average August

    74.5 °F

  • Highest 1 August, 2026

    89.7 °F

Climate (2021–2026)

Poughkeepsie, Dutchess County Airport (2.5 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    63.1 °F
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