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

60°F

16°C

Humidity 100%
Wind Speed W 3 mph
Barometer 29.89 in (1011.9 mb)
Dewpoint 60°F (16°C)
Visibility 2.00 mi
Last update 23 Jun 3:56 am EDT
Extended Forecast for

Youngsville NY

  • Overnight

    Overnight: A chance of showers. Patchy fog. Otherwise, cloudy, with a low around 57. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A chance of showers, mainly before 8am. Patchy fog before 9am. Otherwise, cloudy, with a high near 71. North wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 71 °F

    Chance
    Showers and
    Patchy Fog
    then Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 53. North wind around 7 mph.

    Low: 53 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 76. Northwest wind 5 to 9 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 40%.

    High: 78 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Low around 57. Chance of precipitation is 80%.

    Low: 57 °F

    Showers

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

Detailed Forecast

Overnight
A chance of showers. Patchy fog. Otherwise, cloudy, with a low around 57. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A chance of showers, mainly before 8am. Patchy fog before 9am. Otherwise, cloudy, with a high near 71. North wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 53. North wind around 7 mph.
Wednesday
Sunny, with a high near 76. Northwest wind 5 to 9 mph.
Wednesday Night
Mostly clear, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Low around 57. Chance of precipitation is 80%.
Friday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Saturday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Youngsville NY
 41.81°N 74.88°W (Elev. 1404 ft)
Last Update:
2:30 am EDT Jun 23, 2026
Forecast Valid:
4am EDT Jun 23, 2026-6pm EDT Jun 29, 2026
 
Forecast Discussion
 
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Additional Resources

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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