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.

Fair

17°F

-8°C

Humidity 92%
Wind Speed Calm
Barometer 30.04 in (1019.2 mb)
Dewpoint 15°F (-9°C)
Visibility 7.00 mi
Last update 15 Feb 7:56 am EST
Extended Forecast for

Unionville NY

  • Today

    Today: Patchy fog before 9am. Patchy freezing fog before 9am. Otherwise, partly sunny, with a high near 37. Calm wind.

    High: 37 °F

    Patchy
    Freezing Fog
    and Patchy
    Fog then
    Partly Sunny

  • Tonight

    Tonight: A chance of snow showers, mainly before 3am. Cloudy, with a low around 24. Calm wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow
    Showers

  • 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 showers and freezing rain between 1am and 4am, then a slight chance of freezing rain after 4am. Mostly cloudy, with a low around 29. Calm wind. Chance of precipitation is 20%.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Wintry
    Mix

  • Tuesday

    Tuesday: Partly sunny, with a high near 45. Light west wind.

    High: 45 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of rain before 1pm, then rain and snow. High near 39. Chance of precipitation is 90%.

    High: 39 °F

    Chance Rain
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely, mainly before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 70%.

    Low: 31 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of rain after 1pm. Partly sunny, with a high near 40. Chance of precipitation is 30%.

    High: 40 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Today
Patchy fog before 9am. Patchy freezing fog before 9am. Otherwise, partly sunny, with a high near 37. Calm wind.
Tonight
A chance of snow showers, mainly before 3am. Cloudy, with a low around 24. 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 showers and freezing rain between 1am and 4am, then a slight chance of freezing rain after 4am. Mostly cloudy, with a low around 29. Calm wind. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 45. Light west wind.
Tuesday Night
Partly cloudy, with a low around 28.
Wednesday
A chance of rain before 1pm, then rain and snow. High near 39. Chance of precipitation is 90%.
Wednesday Night
Rain and snow likely, mainly before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 70%.
Thursday
A chance of rain after 1pm. Partly sunny, with a high near 40. Chance of precipitation is 30%.
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 39. 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 snow. Mostly cloudy, with a high near 36. 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:
6:07 am EST Feb 15, 2026
Forecast Valid:
8am EST Feb 15, 2026-6pm EST Feb 21, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation