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

33°F

1°C

Humidity 32%
Wind Speed Vrbl 5 mph
Barometer 30.26 in (1026.8 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 18 Mar 4:56 pm EDT
Extended Forecast for

Youngsville NY

  • Tonight

    Tonight: Increasing clouds, with a low around 20. Light south wind.

    Low: 20 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 40. South wind 3 to 7 mph.

    High: 40 °F

    Mostly Cloudy

  • Thursday Night

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

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain after 2pm. Partly sunny, with a high near 49. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Partly Sunny
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 37. South wind around 5 mph. Chance of precipitation is 70%.

    Low: 37 °F

    Rain Likely

  • Saturday

    Saturday: A chance of rain before 8am. Partly sunny, with a high near 53. Chance of precipitation is 30%.

    High: 53 °F

    Chance Rain
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain after 8am. Mostly cloudy, with a high near 54. Chance of precipitation is 40%.

    High: 54 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain and snow before 2am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.

    Low: 28 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Increasing clouds, with a low around 20. Light south wind.
Thursday
Mostly cloudy, with a high near 40. South wind 3 to 7 mph.
Thursday Night
Mostly cloudy, with a low around 27. Calm wind.
Friday
A chance of rain after 2pm. Partly sunny, with a high near 49. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 37. South wind around 5 mph. Chance of precipitation is 70%.
Saturday
A chance of rain before 8am. Partly sunny, with a high near 53. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
A chance of rain after 8am. Mostly cloudy, with a high near 54. Chance of precipitation is 40%.
Sunday Night
A chance of rain and snow before 2am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Partly sunny, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
Partly sunny, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Youngsville NY
 41.79°N 74.88°W (Elev. 1473 ft)
Last Update:
3:22 pm EDT Mar 18, 2026
Forecast Valid:
5pm EDT Mar 18, 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