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.

Fog/Mist

40°F

4°C

Humidity 97%
Wind Speed S 5 mph
Barometer 30.00 in (1017.0 mb)
Dewpoint 39°F (4°C)
Visibility 6.00 mi
Wind Chill36°F (2°C)
Last update 9 Jan 5:56 pm EST
Extended Forecast for

Unionville NY

  • Tonight

    Tonight: Isolated showers before 7pm. Mostly cloudy, with a low around 31. South wind 6 to 11 mph becoming northwest after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Isolated
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Showers likely, mainly after 5pm. Mostly cloudy, with a high near 40. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 40 °F

    Mostly Cloudy
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers, mainly before 1am. Low around 31. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 31 °F

    Showers

  • Sunday

    Sunday: A chance of showers, mainly after 1pm. Partly sunny, with a high near 37. West wind 7 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 37 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of snow showers before 1am. Mostly cloudy, with a low around 21. Northwest wind 9 to 13 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.

    Low: 21 °F

    Slight Chance
    Snow Showers

  • Monday

    Monday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Isolated showers before 7pm. Mostly cloudy, with a low around 31. South wind 6 to 11 mph becoming northwest after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 20%.
Saturday
Showers likely, mainly after 5pm. Mostly cloudy, with a high near 40. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers, mainly before 1am. Low around 31. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A chance of showers, mainly after 1pm. Partly sunny, with a high near 37. West wind 7 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A slight chance of snow showers before 1am. Mostly cloudy, with a low around 21. Northwest wind 9 to 13 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
A chance of showers after 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 31.
Thursday Night
Mostly cloudy, with a low around 14.
Friday
Mostly sunny, with a high near 26.
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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:
3:22 pm EST Jan 9, 2026
Forecast Valid:
6pm EST Jan 9, 2026-6pm EST Jan 16, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation