Merriman Dam Weather Forecast
- 18
- 45
Rain
- 18
- 24
Mostly Cloudy
- 12
- 28
Chance Snow Showers
- 9
- 21
Slight Chance Snow Showers
- 13
- 23
Partly Sunny
- 17
- 28
Partly Sunny
Today 29 Dec Western Ulster
Cloudy with rain in the Morning, then partly sunny with a chance of rain in the afternoon. Not as cool with Highs in the mid 40s. Temperature falling into the mid 30s in the afternoon. West Winds 10 to 15 Mph. Gusts up to 40 Mph in the afternoon. Chance of rain 90 percent.
Tonight 29 Dec Western Ulster
Cloudy with a chance of freezing rain and rain. Patchy fog. Not as cold with Lows in the upper 20s. Temperature rising into the mid 30s. Southwest Winds around 5 Mph with Gusts up to 20 Mph. Chance of precipitation 50 percent.
Merriman Dam Temperature Statistics
December Temperature
Monticello, Sullivan County International Airport (20.5 miles)
Lowest 5 December, 2025
-2 °FAverage December
24.6 °FHighest 19 December, 2025
53.1 °F
Climate (2020–Present)
Monticello, Sullivan County International Airport (20.5 miles)
Average Low 2020–2025
36.6 °FAverage 2020–2025
45.9 °FAverage High 2020–2025
55.2 °F