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.

Light Rain

40°F

4°C

Humidity 83%
Wind Speed SE 9 mph
Barometer 30.16 in (1022.4 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 21 Apr 11:56 pm EDT
Extended Forecast for

Unionville NY

  • Overnight

    Overnight: A chance of showers. Mostly cloudy, with a low around 34. Light southeast wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly before 9am. Mostly cloudy, with a high near 52. Light southeast wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 61. Light northwest wind increasing to 6 to 11 mph in the morning.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38. Northwest wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 8am. Partly sunny, with a high near 50. Chance of precipitation is 40%.

    High: 50 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 2am. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.

    Low: 36 °F

    Chance
    Showers

Detailed Forecast

Overnight
A chance of showers. Mostly cloudy, with a low around 34. Light southeast wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers, mainly before 9am. Mostly cloudy, with a high near 52. Light southeast wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 39. Calm wind.
Thursday
Sunny, with a high near 61. Light northwest wind increasing to 6 to 11 mph in the morning.
Thursday Night
Partly cloudy, with a low around 38. Northwest wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 59.
Friday Night
Partly cloudy, with a low around 36.
Saturday
A chance of showers after 8am. Partly sunny, with a high near 50. Chance of precipitation is 40%.
Saturday Night
A chance of showers before 2am. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.
Sunday
Partly sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 61.
Monday Night
A chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.
Tuesday
Showers likely. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
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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:
11:26 pm EDT Apr 21, 2026
Forecast Valid:
12am EDT Apr 22, 2026-6pm EDT Apr 28, 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