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

44°F

7°C

Humidity 45%
Wind Speed Calm
Barometer 30.13 in (1021.4 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 20 Nov 1:56 pm EST
Extended Forecast for

Unionville NY

  • This Afternoon

    This Afternoon: Sunny, with a high near 44. Calm wind.

    High: 44 °F

    Sunny

  • Tonight

    Tonight: Patchy fog between 1am and 2am. Otherwise, increasing clouds, with a low around 28. Calm wind.

    Low: 28 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Mostly cloudy, with a high near 48. Calm wind becoming west 5 to 7 mph in the morning.

    High: 48 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of rain showers before 4am, then a chance of rain and snow showers. Cloudy, with a low around 34. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 34 °F

    Slight Chance
    Showers then
    Chance
    Rain/Snow

  • Saturday

    Saturday: Partly sunny, with a high near 43. Northwest wind 3 to 7 mph.

    High: 43 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 44. Calm wind.
Tonight
Patchy fog between 1am and 2am. Otherwise, increasing clouds, with a low around 28. Calm wind.
Friday
Mostly cloudy, with a high near 48. Calm wind becoming west 5 to 7 mph in the morning.
Friday Night
A chance of rain showers before 4am, then a chance of rain and snow showers. Cloudy, with a low around 34. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday
Partly sunny, with a high near 43. Northwest wind 3 to 7 mph.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 43.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 46.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
A chance of showers. Cloudy, with a high near 47. Chance of precipitation is 50%.
Tuesday Night
Showers likely. Cloudy, with a low around 39. Chance of precipitation is 70%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 55. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Unionville NY
 41.86°N 74.54°W (Elev. 1378 ft)
Last Update:
1:20 pm EST Nov 20, 2025
Forecast Valid:
2pm EST Nov 20, 2025-6pm EST Nov 26, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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