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

26°F

-3°C

Humidity 66%
Wind Speed SE 6 mph
Barometer 30.21 in (1024.8 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 19 Mar 5:56 am EDT
Extended Forecast for

Unionville NY

  • Today

    Today: Mostly cloudy, with a high near 41. Calm wind becoming south around 6 mph in the morning.

    High: 41 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain after 2pm. Mostly cloudy, with a high near 51. Calm wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Partly Sunny
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain likely, mainly between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 38. Southwest wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain Likely

  • Saturday

    Saturday: A chance of showers before 8am. Mostly sunny, with a high near 54. Northwest wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 54 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain after 2pm. Mostly cloudy, with a high near 57. Chance of precipitation is 50%.

    High: 57 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain and snow likely, mainly before 2am. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.

    Low: 32 °F

    Rain/Snow
    Likely

  • Monday

    Monday: A chance of rain and snow before 8am. Partly sunny, with a high near 41. Chance of precipitation is 30%.

    High: 41 °F

    Chance
    Rain/Snow
    then Partly
    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 41. Calm wind becoming south around 6 mph in the morning.
Tonight
Mostly cloudy, with a low around 27. Calm wind.
Friday
A chance of rain after 2pm. Mostly cloudy, with a high near 51. Calm wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain likely, mainly between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 38. Southwest wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A chance of showers before 8am. Mostly sunny, with a high near 54. Northwest wind 5 to 8 mph. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
A chance of rain after 2pm. Mostly cloudy, with a high near 57. Chance of precipitation is 50%.
Sunday Night
Rain and snow likely, mainly before 2am. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
Monday
A chance of rain and snow before 8am. Partly sunny, with a high near 41. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Mostly sunny, with a high near 42.
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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:
6:19 am EDT Mar 19, 2026
Forecast Valid:
6am EDT Mar 19, 2026-6pm EDT Mar 25, 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