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

49°F

9°C

Humidity 77%
Wind Speed E 5 mph
Barometer 30.46 in (1032.1 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 10 Oct 9:56 pm EDT
Extended Forecast for

Unionville NY

  • Tonight

    Tonight: Increasing clouds, with a low around 46. Calm wind.

    Low: 46 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Showers, mainly after 1pm. High near 59. East wind 3 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 59 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 2am, then a slight chance of showers after 5am. Low around 52. Northeast wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 52 °F

    Showers then
    Chance
    Showers

  • Columbus Day

    Columbus Day: A chance of showers, mainly before 7am. Mostly sunny, with a high near 70. Northwest wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 68. Chance of precipitation is 40%.

    High: 68 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 46. Calm wind.
Sunday
Showers, mainly after 1pm. High near 59. East wind 3 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and possibly a thunderstorm before 2am, then a slight chance of showers after 5am. Low around 52. Northeast wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Columbus Day
A chance of showers, mainly before 7am. Mostly sunny, with a high near 70. Northwest wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 68. Chance of precipitation is 40%.
Tuesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
A chance of showers. Partly cloudy, with a low around 44. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly cloudy, with a high near 59. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.
Saturday
Partly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Unionville NY
 41.86°N 74.57°W (Elev. 1181 ft)
Last Update:
2:30 pm EDT Oct 10, 2026
Forecast Valid:
10pm EDT Oct 10, 2026-6pm EDT Oct 17, 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