National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fair

11°F

-12°C

Humidity 56%
Wind Speed W 8 G 17 mph
Barometer 30.23 in (1026.8 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 20 Jan 4:56 pm EST
Extended Forecast for

Unionville NY

  • Tonight

    Tonight: Mostly clear, with a low around 1. West wind around 5 mph becoming calm in the evening.

    Low: 1 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of snow showers after 4pm. Increasing clouds, with a high near 24. Wind chill values as low as -6. Light and variable wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 20%.

    High: 24 °F

    Sunny then
    Slight Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19. Southwest wind 7 to 9 mph.

    Low: 19 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 36. West wind 6 to 11 mph, with gusts as high as 24 mph.

    High: 36 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15. West wind around 6 mph.

    Low: 15 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -1.

    Low: -1 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 10.

    High: 10 °F

    Cold

  • Saturday Night

    Saturday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around 2. Chance of precipitation is 30%.

    Low: 2 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 1. West wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of snow showers after 4pm. Increasing clouds, with a high near 24. Wind chill values as low as -6. Light and variable wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 19. Southwest wind 7 to 9 mph.
Thursday
Partly sunny, with a high near 36. West wind 6 to 11 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 15. West wind around 6 mph.
Friday
Partly sunny, with a high near 22.
Friday Night
Partly cloudy, with a low around -1.
Saturday
Mostly sunny and cold, with a high near 10.
Saturday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 2. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 14. Chance of precipitation is 50%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 4. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 18.
Monday Night
Partly cloudy, with a low around 5.
Tuesday
Mostly sunny, with a high near 19.
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:
3:23 pm EST Jan 20, 2026
Forecast Valid:
5pm EST Jan 20, 2026-6pm EST Jan 27, 2026
 
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