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

68°F

20°C

Humidity 63%
Wind Speed NW 8 mph
Barometer 29.95 in (1013.6 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 23 Jun 7:56 pm EDT
Extended Forecast for

De Lancey NY

  • Tonight

    Tonight: Partly cloudy, with a low around 51. Northwest wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 75. Calm wind becoming northwest 5 to 8 mph in the morning.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 78. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms

  • 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 58. Calm wind. Chance of precipitation is 90%.

    Low: 58 °F

    Showers

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.

    Low: 56 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 2pm. Partly sunny, with a high near 77. Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 51. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 75. Calm wind becoming northwest 5 to 8 mph in the morning.
Wednesday Night
Mostly clear, with a low around 52. Calm wind.
Thursday
A chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 78. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
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 58. Calm wind. Chance of precipitation is 90%.
Friday
Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Saturday
A chance of showers before 2pm. Partly sunny, with a high near 77. Chance of precipitation is 50%.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 84.
Monday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 83. 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:
6:18 pm EDT Jun 23, 2026
Forecast Valid:
8pm EDT Jun 23, 2026-6pm EDT Jun 30, 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