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.

Partly Cloudy

22°F

-6°C

Humidity 60%
Wind Speed W 17 G 30 mph
Barometer 29.79 in (1011.3 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 16 Jan 11:56 am EST
Extended Forecast for

Upper Mongaup NY

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 27. Southwest wind 7 to 11 mph.

    High: 27 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of snow showers after 1am. Increasing clouds, with a low around 22. South wind 3 to 5 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Saturday

    Saturday: Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 32. South wind 3 to 6 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 32 °F

    Snow Showers
    Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23. Southwest wind 3 to 5 mph.

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of snow showers after 1pm. Mostly cloudy, with a high near 29. West wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 29 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 14.

    High: 14 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 27. Southwest wind 7 to 11 mph.
Tonight
A chance of snow showers after 1am. Increasing clouds, with a low around 22. South wind 3 to 5 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Saturday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 32. South wind 3 to 6 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday Night
Mostly cloudy, with a low around 23. Southwest wind 3 to 5 mph.
Sunday
A slight chance of snow showers after 1pm. Mostly cloudy, with a high near 29. West wind 5 to 7 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 14.
M.L.King Day
Mostly sunny, with a high near 27.
Monday Night
Partly cloudy, with a low around 6.
Tuesday
Mostly sunny, with a high near 14.
Tuesday Night
Partly cloudy, with a low around 4.
Wednesday
Partly sunny, with a high near 22.
Wednesday Night
Mostly cloudy, with a low around 16.
Thursday
Partly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Upper Mongaup NY
 41.47°N 74.8°W (Elev. 1224 ft)
Last Update:
11:28 am EST Jan 16, 2026
Forecast Valid:
12pm EST Jan 16, 2026-6pm EST Jan 22, 2026
 
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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