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.

A Few Clouds

80°F

27°C

Humidity 49%
Wind Speed W 10 G 20 mph
Barometer 29.94 in (1013.1 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 19 Aug 2:56 pm EDT
Extended Forecast for

Youngsville NY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 81. West wind around 7 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 58. Light northwest wind.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers, mainly after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 73. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 73 °F

    Patchy Fog
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers between 10pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 53. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 77. Light and variable wind.

    High: 77 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: A chance of showers after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 50%.

    High: 75 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.

    Low: 59 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.

    High: 76 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 81. West wind around 7 mph.
Tonight
Partly cloudy, with a low around 58. Light northwest wind.
Thursday
A chance of showers, mainly after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 73. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A chance of showers between 10pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 53. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 77. Light and variable wind.
Friday Night
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 57.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 53. Chance of precipitation is 60%.
Monday
Sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Mostly sunny, with a high near 74.
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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:
2:30 pm EDT Aug 19, 2026
Forecast Valid:
3pm EDT Aug 19, 2026-6pm EDT Aug 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