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.

A Few Clouds

52°F

11°C

Humidity 38%
Wind Speed NW 7 G 17 mph
Barometer 29.88 in (1012.2 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 2 May 12:56 pm EDT
Extended Forecast for

Unionville NY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 53. Northwest wind around 6 mph.

    High: 53 °F

    Mostly Sunny

  • Tonight

    Tonight: Areas of frost before 2am, then widespread frost after 4am. Otherwise, partly cloudy, with a low around 32. Northwest wind 3 to 5 mph.

    Low: 32 °F

    Partly Cloudy
    then Frost

  • Sunday

    Sunday: Widespread frost before 8am. Otherwise, sunny, with a high near 53. Northwest wind 10 to 13 mph.

    High: 53 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. West wind around 6 mph becoming calm after midnight.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 64. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers after 2pm. Mostly sunny, with a high near 73. Chance of precipitation is 30%.

    High: 73 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.

    High: 64 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 53. Northwest wind around 6 mph.
Tonight
Areas of frost before 2am, then widespread frost after 4am. Otherwise, partly cloudy, with a low around 32. Northwest wind 3 to 5 mph.
Sunday
Widespread frost before 8am. Otherwise, sunny, with a high near 53. Northwest wind 10 to 13 mph.
Sunday Night
Mostly clear, with a low around 38. West wind around 6 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 64. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 47.
Tuesday
A chance of showers after 2pm. Mostly sunny, with a high near 73. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Wednesday
Showers likely. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Thursday
Showers. High near 58. Chance of precipitation is 80%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 50%.
Friday
A chance of showers. Partly sunny, with a high near 55. Chance of precipitation is 30%.
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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:
12:38 pm EDT May 2, 2026
Forecast Valid:
1pm EDT May 2, 2026-6pm EDT May 8, 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