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

35°F

2°C

Humidity 70%
Wind Speed NW 13 G 25 mph
Barometer 29.91 in (1013.7 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 6 Apr 1:56 am EDT
Extended Forecast for

Unionville NY

  • Overnight

    Overnight: Partly cloudy, with a low around 30. West wind around 14 mph, with gusts as high as 26 mph.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45. Northwest wind around 14 mph, with gusts as high as 29 mph.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of rain and snow showers before 2am, then a chance of snow showers. Partly cloudy, with a low around 29. Calm wind. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance
    Rain/Snow

  • Tuesday

    Tuesday: A slight chance of snow showers, mixing with rain after 8am, then gradually ending. Mostly sunny, with a high near 39. Northwest wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 39 °F

    Slight Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 19. Northwest wind around 6 mph becoming calm after midnight.

    Low: 19 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 30. West wind around 14 mph, with gusts as high as 26 mph.
Monday
Mostly sunny, with a high near 45. Northwest wind around 14 mph, with gusts as high as 29 mph.
Monday Night
A chance of rain and snow showers before 2am, then a chance of snow showers. Partly cloudy, with a low around 29. Calm wind. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Tuesday
A slight chance of snow showers, mixing with rain after 8am, then gradually ending. Mostly sunny, with a high near 39. Northwest wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 19. Northwest wind around 6 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 48.
Wednesday Night
Mostly clear, with a low around 26.
Thursday
Mostly sunny, with a high near 55.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 66.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Unionville NY
 41.86°N 74.54°W (Elev. 1378 ft)
Last Update:
1:07 am EDT Apr 6, 2026
Forecast Valid:
2am EDT Apr 6, 2026-6pm EDT Apr 12, 2026
 
Forecast Discussion
 
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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