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

34°F

1°C

Humidity 64%
Wind Speed Calm
Barometer 30.35 in (1029.1 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 25 Mar 9:56 am EDT
Extended Forecast for

Unionville NY

  • Today

    Today: Partly sunny, with a high near 50. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 50 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. South wind around 5 mph.

    Low: 35 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain after 2pm. Partly sunny, with a high near 62. Southwest wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain, mainly after 8pm. Low around 38. Southwest wind around 9 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain

  • Friday

    Friday: Partly sunny, with a high near 43. Northwest wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 43 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

  • Saturday Night

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

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 50. Calm wind becoming southwest around 6 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 35. South wind around 5 mph.
Thursday
A chance of rain after 2pm. Partly sunny, with a high near 62. Southwest wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain, mainly after 8pm. Low around 38. Southwest wind around 9 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Partly sunny, with a high near 43. Northwest wind 8 to 13 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 19.
Saturday
Sunny, with a high near 35.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Partly sunny, with a high near 51.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
A chance of rain. Partly sunny, with a high near 54. 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:
6:22 am EDT Mar 25, 2026
Forecast Valid:
10am EDT Mar 25, 2026-6pm EDT Mar 31, 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