Rondout Reservoir Weather Forecast

    • 51
    • 75

    Mostly Sunny

    • 58
    • 78

    Slight Chance Rain Showers

    • 62
    • 75

    Rain Showers

    • 55
    • 79

    Rain Showers Likely

    • 55
    • 76

    Mostly Sunny

    • 59
    • 80

    Partly Sunny

Today 19 Jul Western Ulster

Sunny. Near steady temperature in the lower 70s. Northwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 19 Jul Western Ulster

Mostly clear. Lows around 50. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rondout Reservoir Temperature Statistics

July Temperature

Monticello, Sullivan County International Airport (18.6 miles)

  • Lowest 8 July, 2026

    57 °F

  • Average July

    73.3 °F

  • Highest 2 July, 2026

    96.1 °F

Climate (2021–2026)

Monticello, Sullivan County International Airport (18.6 miles)

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  • Average Low 2021–2026

    36.5 °F

  • Average 2021–2026

    45.8 °F

  • Average High 2021–2026

    55.1 °F
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