Rondout Reservoir Weather Forecast

    • 60
    • 82

    Rain Showers Likely

    • 58
    • 81

    Chance Rain Showers

    • 52
    • 73

    Rain Showers Likely

    • 49
    • 68

    Mostly Cloudy

    • 32
    • 62

    Rain Showers Likely

    • 27
    • 44

    Mostly Sunny

Today 15 Apr Western Ulster

Partly sunny. A chance of Showers and Thunderstorms in the afternoon. Highs in the lower 80s. West Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 15 Apr Western Ulster

Showers likely with a chance of Thunderstorms in the Evening, then Showers likely after midnight. Lows in the upper 50s. Northwest Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 60 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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