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 with Haze and Breezy

17°F

-8°C

Humidity 54%
Wind Speed NW 23 G 33 mph
Barometer 29.67 in (1007.0 mb)
Dewpoint 3°F (-16°C)
Visibility 4.00 mi
Wind Chill-1°F (-18°C)
Last update 1 Jan 12:56 pm EST
Extended Forecast for

Mongaup Valley NY

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 18. Northwest wind 10 to 13 mph, with gusts as high as 25 mph.

    High: 18 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 8. Calm wind becoming west around 5 mph after midnight.

    Low: 8 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 23. Light southwest wind becoming west 5 to 9 mph in the morning.

    High: 23 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 10. West wind around 5 mph.

    Low: 10 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 25. West wind 5 to 7 mph.

    High: 25 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of snow showers after 1am. Cloudy, with a low around 14. Chance of precipitation is 20%.

    Low: 14 °F

    Cloudy then
    Slight Chance
    Snow Showers

  • Sunday

    Sunday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 8.

    Low: 8 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 25.

    High: 25 °F

    Mostly Cloudy

Detailed Forecast

New Year's Day
Mostly sunny, with a high near 18. Northwest wind 10 to 13 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a low around 8. Calm wind becoming west around 5 mph after midnight.
Friday
Partly sunny, with a high near 23. Light southwest wind becoming west 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 10. West wind around 5 mph.
Saturday
Mostly sunny, with a high near 25. West wind 5 to 7 mph.
Saturday Night
A slight chance of snow showers after 1am. Cloudy, with a low around 14. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 27.
Sunday Night
Mostly cloudy, with a low around 8.
Monday
Mostly cloudy, with a high near 25.
Monday Night
Mostly cloudy, with a low around 18.
Tuesday
Mostly cloudy, with a high near 36.
Tuesday Night
A chance of freezing rain. Cloudy, with a low around 26. Chance of precipitation is 40%.
Wednesday
A chance of rain or freezing rain. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.
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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:
12:52 pm EST Jan 1, 2026
Forecast Valid:
1pm EST Jan 1, 2026-6pm EST Jan 7, 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