Sylvan Lake Weather Forecast

    • 65
    • 78

    Rain Showers Likely

    • 62
    • 79

    Rain Showers

    • 65
    • 74

    Rain Showers Likely

    • 62
    • 82

    Chance Rain Showers

    • 59
    • 80

    Partly Sunny

    • 56
    • 76

    Slight Chance Rain Showers

Today 31 Aug Eastern Dutchess

Partly sunny. Highs in the upper 70s. Light and variable Winds, becoming southwest around 5 Mph in the afternoon.

Tonight 31 Aug Eastern Dutchess

Mostly cloudy. Patchy fog. Lows in the upper 50s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sylvan Lake Temperature Statistics

August Temperature

Poughkeepsie, Dutchess County Airport (7.5 miles)

  • Lowest 25 August, 2026

    56.6 °F

  • Average August

    73.4 °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 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    63.1 °F
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