Rondout Reservoir Weather Forecast

    • 58
    • 77

    Chance Thunderstorms

    • 60
    • 79

    Chance Thunderstorms

    • 58
    • 80

    Chance Rain Showers

    • 52
    • 74

    Chance Rain Showers

    • 51
    • 76

    Mostly Cloudy

    • 33
    • 66

    Chance Rain Showers

Today 14 Apr Western Ulster

Partly sunny. A chance of Showers and Thunderstorms in the afternoon. Highs in the mid 70s. Southwest Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 14 Apr Western Ulster

A chance of Thunderstorms in the evening. Mostly cloudy with a chance of Showers. Lows in the upper 50s. West Winds around 5 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rondout Reservoir Temperature Statistics

April Temperature

Monticello, Sullivan County International Airport (18.6 miles)

  • Lowest 8 April, 2026

    18 °F

  • Average April

    44 °F

  • Highest 10 April, 2026

    71.1 °F

Climate (2021–Present)

Monticello, Sullivan County International Airport (18.6 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    45.7 °F

  • Average High 2021–2026

    55 °F
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