National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Overcast

42°F

6°C

Humidity 45%
Wind Speed NW 8 mph
Barometer 30.02 in (1017.6 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 6 Apr 6:56 pm EDT
Extended Forecast for

Unionville NY

  • Tonight

    Tonight: A chance of snow showers, mainly between midnight and 5am. Mostly cloudy, with a low around 31. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Tuesday

    Tuesday: A slight chance of snow showers before 8am, then a slight chance of snow showers after 2pm. Partly sunny, with a high near 42. West wind 9 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 42 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 16. Northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 16 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 48. Light and variable wind.

    High: 48 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of snow showers, mainly between midnight and 5am. Mostly cloudy, with a low around 31. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
A slight chance of snow showers before 8am, then a slight chance of snow showers after 2pm. Partly sunny, with a high near 42. West wind 9 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 16. Northwest wind 5 to 8 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 48. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 25. Calm wind.
Thursday
Sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Sunny, with a high near 66.
Friday Night
Mostly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 60.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
Mostly cloudy, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Unionville NY
 41.86°N 74.54°W (Elev. 1378 ft)
Last Update:
7:00 pm EDT Apr 6, 2026
Forecast Valid:
7pm EDT Apr 6, 2026-6pm EDT Apr 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation