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.

Overcast

74°F

23°C

Humidity 71%
Wind Speed NW 5 mph
Barometer 30.33 in (1026.8 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 16 Sep 3:56 pm EDT
Extended Forecast for

De Lancey NY

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 74. Calm wind.

    High: 74 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Patchy Fog

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 74. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 57. Light northwest wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 57 °F

    Showers
    Likely then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69. Northwest wind 3 to 8 mph.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Showers likely after 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.

    Low: 49 °F

    Mostly Cloudy
    then Showers
    Likely

  • Sunday

    Sunday: Showers. High near 62. Chance of precipitation is 90%.

    High: 62 °F

    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 74. Calm wind.
Tonight
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 61. Calm wind.
Thursday
Showers and possibly a thunderstorm. High near 74. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 57. Light northwest wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Mostly sunny, with a high near 69. Northwest wind 3 to 8 mph.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Partly sunny, with a high near 65.
Saturday Night
Showers likely after 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Sunday
Showers. High near 62. Chance of precipitation is 90%.
Sunday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Monday
A chance of showers. Partly sunny, with a high near 62. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Tuesday
A chance of showers. Partly sunny, with a high near 61. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
De Lancey NY
 42.22°N 74.98°W (Elev. 1722 ft)
Last Update:
2:30 pm EDT Sep 16, 2026
Forecast Valid:
4pm EDT Sep 16, 2026-6pm EDT Sep 22, 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