Sylvan Lake Weather Forecast

    • 58
    • 79

    Chance Rain Showers

    • 60
    • 80

    Chance Rain Showers

    • 63
    • 78

    Rain Showers Likely

    • 59
    • 81

    Rain Showers Likely

    • 56
    • 79

    Partly Sunny

Today 20 Aug Eastern Dutchess

Partly sunny in the Morning, then mostly cloudy with a chance of Showers in the afternoon. Highs in the upper 70s. North Winds around 5 Mph. Chance of rain 50 percent.

Tonight 20 Aug Eastern Dutchess

Mostly cloudy with a chance of Showers in the Evening, then partly cloudy after midnight. Lows in the mid 50s. Light and variable Winds, becoming northeast around 5 Mph after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sylvan Lake Temperature Statistics

August Temperature

Poughkeepsie, Dutchess County Airport (7.5 miles)

  • Lowest 4 August, 2026

    57.7 °F

  • Average August

    75 °F

  • Highest 6 August, 2026

    91.7 °F

Climate (2021–2026)

Poughkeepsie, Dutchess County Airport (7.5 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    63.1 °F
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