Rondout Reservoir Weather Forecast

    • 54
    • 72

    Decreasing Clouds

    • 54
    • 73

    Mostly Sunny

    • 58
    • 78

    Partly Sunny

    • 62
    • 77

    Rain Showers

    • 58
    • 79

    Chance Thunderstorms

    • 55
    • 76

    Mostly Sunny

Today 24 Aug Western Ulster

Mostly sunny. Highs in the lower 70s. West Winds 5 to 10 Mph.

Tonight 24 Aug Western Ulster

Partly cloudy. Lows in the lower 50s. West Winds around 5 Mph.

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  • Temperature Real-Time

Rondout Reservoir Temperature Statistics

August Temperature

Monticello, Sullivan County International Airport (18.6 miles)

  • Lowest 4 August, 2026

    53.1 °F

  • Average August

    69.6 °F

  • Highest 6 August, 2026

    87.1 °F

Climate (2021–2026)

Monticello, Sullivan County International Airport (18.6 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    45.8 °F

  • Average High 2021–2026

    55.1 °F
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