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.

Mostly Cloudy

36°F

2°C

Humidity 79%
Wind Speed SW 3 mph
Barometer 29.62 in (1004.5 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 25 Feb 9:56 pm EST
Extended Forecast for

Unionville NY

  • Tonight

    Tonight: A chance of snow showers, mainly before midnight. Partly cloudy, with a low around 18. West wind around 6 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 18 °F

    Chance Snow
    Showers then
    Slight Chance
    Snow Showers

  • Thursday

    Thursday: Sunny, with a high near 34. West wind 3 to 5 mph.

    High: 34 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 14. Calm wind.

    Low: 14 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 40. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 40 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25. Light southwest wind.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow. Partly sunny, with a high near 30. Chance of precipitation is 30%.

    High: 30 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of snow showers, mainly before midnight. Partly cloudy, with a low around 18. West wind around 6 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday
Sunny, with a high near 34. West wind 3 to 5 mph.
Thursday Night
Mostly clear, with a low around 14. Calm wind.
Friday
Sunny, with a high near 40. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 25. Light southwest wind.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
A chance of snow. Partly sunny, with a high near 30. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 9.
Monday
A chance of snow. Partly sunny, with a high near 22. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 5.
Tuesday
A chance of snow. Mostly cloudy, with a high near 30. Chance of precipitation is 40%.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 18. Chance of precipitation is 50%.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 40. 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:
3:22 pm EST Feb 25, 2026
Forecast Valid:
10pm EST Feb 25, 2026-6pm EST Mar 4, 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