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.

Unknown Precip

32°F

0°C

Humidity 85%
Wind Speed NW 3 mph
Barometer 30.04 in (1018.3 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 7 Apr 2:56 am EDT
Extended Forecast for

Mongaup Valley NY

  • Overnight

    Overnight: A chance of rain and snow showers before 5am, then a chance of rain showers. Mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance
    Rain/Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 41. Northwest wind 10 to 15 mph, with gusts as high as 29 mph.

    High: 41 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 17. Northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 17 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 49. Light and variable wind.

    High: 49 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 24. Light south wind.

    Low: 24 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers before 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.

    Low: 43 °F

    Chance
    Showers

Detailed Forecast

Overnight
A chance of rain and snow showers before 5am, then a chance of rain showers. Mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Partly sunny, with a high near 41. Northwest wind 10 to 15 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly clear, with a low around 17. Northwest wind 5 to 8 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 49. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 24. Light south wind.
Thursday
Sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 31.
Friday
Mostly sunny, with a high near 65.
Friday Night
A chance of showers before 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
Mostly cloudy, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mongaup Valley NY
 41.65°N 74.79°W (Elev. 1181 ft)
Last Update:
2:30 am EDT Apr 7, 2026
Forecast Valid:
3am EDT Apr 7, 2026-6pm EDT Apr 13, 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