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

27°F

-3°C

Humidity 72%
Wind Speed Calm
Barometer 30.30 in (1027.6 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 21 Apr 12:56 am EDT
Extended Forecast for

De Lancey NY

  • Overnight

    Overnight: Clear, with a low around 20. Calm wind.

    Low: 20 °F

    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain showers before 2am, then a chance of rain and snow showers. Mostly cloudy, with a low around 36. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 36 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow showers before 8am, then a slight chance of rain showers. Partly sunny, with a high near 57. Light and variable wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 57 °F

    Chance
    Rain/Snow
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am. Partly cloudy, with a low around 41. Chance of precipitation is 40%.

    Low: 41 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 20. Calm wind.
Tuesday
Mostly sunny, with a high near 50. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A chance of rain showers before 2am, then a chance of rain and snow showers. Mostly cloudy, with a low around 36. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday
A chance of rain and snow showers before 8am, then a slight chance of rain showers. Partly sunny, with a high near 57. Light and variable wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night
Mostly cloudy, with a low around 39. Calm wind.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 64.
Friday Night
A chance of showers after 2am. Partly cloudy, with a low around 41. Chance of precipitation is 40%.
Saturday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Sunday
A chance of showers. Partly sunny, with a high near 60. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 61. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
De Lancey NY
 42.2°N 74.98°W (Elev. 1368 ft)
Last Update:
7:54 pm EDT Apr 20, 2026
Forecast Valid:
1am EDT Apr 21, 2026-6pm EDT Apr 27, 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