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

34°F

1°C

Humidity 70%
Wind Speed E 7 mph
Barometer 30.00 in (1017.9 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 15 Feb 2:56 pm EST
Extended Forecast for

Unionville NY

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 37. Calm wind.

    High: 37 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of snow, mainly before 4am, then a chance of snow showers after 5am. Mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow

  • Washington's Birthday

    Washington's Birthday: Mostly cloudy, with a high near 38. Calm wind.

    High: 38 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A slight chance of snow after 1am. Mostly cloudy, with a low around 29. Calm wind. Chance of precipitation is 20%.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 45. Light west wind.

    High: 45 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain. High near 39. Chance of precipitation is 90%.

    High: 39 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.

    Low: 32 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 37. Calm wind.
Tonight
A chance of snow, mainly before 4am, then a chance of snow showers after 5am. Mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Washington's Birthday
Mostly cloudy, with a high near 38. Calm wind.
Monday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 29. Calm wind. Chance of precipitation is 20%.
Tuesday
Mostly cloudy, with a high near 45. Light west wind.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Rain. High near 39. Chance of precipitation is 90%.
Wednesday Night
Rain likely before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
Thursday
Mostly cloudy, with a high near 39.
Thursday Night
A chance of snow after 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Friday
Rain and snow likely. Mostly cloudy, with a high near 38. Chance of precipitation is 70%.
Friday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Saturday
A chance of rain and snow showers. Mostly cloudy, with a high near 39. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Unionville NY
 41.86°N 74.54°W (Elev. 1378 ft)
Last Update:
12:37 pm EST Feb 15, 2026
Forecast Valid:
3pm EST Feb 15, 2026-6pm EST Feb 21, 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