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

55°F

13°C

Humidity 90%
Wind Speed Calm
Barometer 30.13 in (1020.7 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 3 Apr 10:56 pm EDT
Extended Forecast for

Unionville NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. Northwest wind 3 to 5 mph.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers, mainly after 5pm. Partly sunny, with a high near 62. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 8pm. Cloudy, with a low around 41. Southeast wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers, mainly before 2pm. High near 58. Light and variable wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 58 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 31. West wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 31 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 49. Northwest wind 3 to 5 mph.
Saturday
A chance of showers, mainly after 5pm. Partly sunny, with a high near 62. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers likely, mainly after 8pm. Cloudy, with a low around 41. Southeast wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers, mainly before 2pm. High near 58. Light and variable wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 31. West wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 46.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 41.
Tuesday Night
Mostly clear, with a low around 20.
Wednesday
Sunny, with a high near 48.
Wednesday Night
Mostly clear, with a low around 28.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 65.
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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:
3:23 pm EDT Apr 3, 2026
Forecast Valid:
11pm EDT Apr 3, 2026-6pm EDT Apr 10, 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