Rondout Reservoir Weather Forecast

    • 44
    • 63

    Slight Chance Rain Showers

    • 44
    • 62

    Rain Showers

    • 35
    • 54

    Chance Rain Showers

    • 32
    • 52

    Partly Sunny

    • 33
    • 52

    Partly Sunny

    • 35
    • 53

    Partly Sunny

Today 28 Apr Western Ulster

Mostly sunny in the Morning, then becoming mostly cloudy. Highs in the lower 60s. South Winds 5 to 10 Mph.

Tonight 28 Apr Western Ulster

Mostly clear. Near steady temperature in the lower 40s. Light and variable Winds.

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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

    49 °F

  • Highest 16 April, 2026

    82.9 °F

Climate (2021–Present)

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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