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

18°F

-8°C

Humidity 68%
Wind Speed NW 3 mph
Barometer 30.31 in (1028.2 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Last update 28 Mar 6:56 am EDT
Extended Forecast for

Upper Mongaup NY

  • Today

    Today: Mostly sunny, with a high near 36. Northwest wind 8 to 14 mph, with gusts as high as 25 mph.

    High: 36 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 21. Northwest wind around 6 mph becoming calm in the evening.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 48. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 48 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35. South wind around 6 mph.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 60. West wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 60 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 40%.

    Low: 43 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers before 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 40%.

    High: 68 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.

    High: 69 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 36. Northwest wind 8 to 14 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 21. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 48. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 35. South wind around 6 mph.
Monday
Partly sunny, with a high near 60. West wind 6 to 9 mph, with gusts as high as 20 mph.
Monday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 40%.
Tuesday
A chance of showers before 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 55.
Wednesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.
Wednesday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 48. Chance of precipitation is 30%.
Thursday Night
A chance of rain or freezing rain. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Friday
Rain showers and snow showers likely, possibly mixed with freezing rain. Mostly cloudy, with a high near 41. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Upper Mongaup NY
 41.47°N 74.8°W (Elev. 1224 ft)
Last Update:
7:34 am EDT Mar 28, 2026
Forecast Valid:
7am EDT Mar 28, 2026-6pm EDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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