Rondout Reservoir Weather Forecast

    • 22
    • 35

    Increasing Clouds

    • 12
    • 41

    Partly Sunny

    • 16
    • 24

    Snow

    • 21
    • 28

    Chance Rain/Freezing Rain

    • 22
    • 37

    Rain/Snow

    • 15
    • 30

    Chance Snow

Today 24 Dec Western Ulster

Mostly sunny. Highs in the mid 30s. Temperature falling into the upper 20s this afternoon. Northwest Winds 10 to 15 Mph. Gusts up to 40 Mph, decreasing to 30 Mph this afternoon.

Tonight 24 Dec Western Ulster

Partly cloudy in the Evening, then becoming mostly cloudy. Colder with Lows around 20. Temperature rising into the mid 20s after midnight. North Winds around 5 Mph in the Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Rondout Reservoir Temperature Statistics

December Temperature

Monticello, Sullivan County International Airport (18.6 miles)

  • Lowest 5 December, 2025

    -2 °F

  • Average December

    24.5 °F

  • Highest 19 December, 2025

    53.1 °F

Climate (2020–Present)

Monticello, Sullivan County International Airport (18.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    36.6 °F

  • Average 2020–2025

    45.9 °F

  • Average High 2020–2025

    55.2 °F
Get WillyWeather+ to remove ads