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

29°F

-2°C

Humidity 75%
Wind Speed E 7 mph
Barometer 30.01 in (1017.7 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 16 Feb 2:56 am EST
Extended Forecast for

Unionville NY

  • Overnight

    Overnight: A chance of snow showers, mainly before 4am. Patchy fog. Otherwise, mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 23 °F

    Chance Snow
    Showers and
    Patchy Fog

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 38. Calm wind.

    High: 38 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of snow showers and freezing rain before 4am, then a chance of freezing rain between 4am and 5am, then a chance of rain or freezing rain after 5am. Patchy fog between 3am and 5am. Otherwise, mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Wintry Mix
    and Patchy
    Fog

  • Tuesday

    Tuesday: A slight chance of rain or freezing rain before 10am. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 45. Light west wind. Chance of precipitation is 20%.

    High: 45 °F

    Slight Chance
    Rain/Freezing
    Rain and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

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

    High: 39 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.

    Low: 31 °F

    Chance Rain

  • Thursday

    Thursday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of snow after 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
A chance of snow showers, mainly before 4am. Patchy fog. Otherwise, mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Washington's Birthday
Partly sunny, with a high near 38. Calm wind.
Monday Night
A chance of snow showers and freezing rain before 4am, then a chance of freezing rain between 4am and 5am, then a chance of rain or freezing rain after 5am. Patchy fog between 3am and 5am. Otherwise, mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday
A slight chance of rain or freezing rain before 10am. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 45. Light west wind. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 30. Calm wind.
Wednesday
Rain. High near 39. Chance of precipitation is 90%.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Thursday
Partly sunny, with a high near 39.
Thursday Night
A chance of snow after 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Friday
Rain and snow likely. Mostly cloudy, with a high near 37. Chance of precipitation is 70%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
A chance of snow. Mostly cloudy, with a high near 34. 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:
1:08 am EST Feb 16, 2026
Forecast Valid:
3am EST Feb 16, 2026-6pm EST Feb 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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