National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fair

42°F

6°C

Humidity 68%
Wind Speed SE 6 mph
Barometer 30.40 in (1030.4 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 9 Apr 9:56 pm EDT
Extended Forecast for

Upper Mongaup NY

  • Tonight

    Tonight: Partly cloudy, with a low around 34. South wind 3 to 5 mph.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 65. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 65 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers before 2am. Mostly cloudy, with a low around 39. South wind 8 to 10 mph becoming northwest after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 54. Northwest wind 11 to 14 mph, with gusts as high as 25 mph.

    High: 54 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. Northwest wind around 6 mph becoming calm in the evening.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 71.

    High: 71 °F

    Mostly Cloudy

  • Monday Night

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

    Low: 55 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 34. South wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 65. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
A chance of showers before 2am. Mostly cloudy, with a low around 39. South wind 8 to 10 mph becoming northwest after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Sunny, with a high near 54. Northwest wind 11 to 14 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 30. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
Mostly cloudy, with a high near 71.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
Partly sunny, with a high near 77.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 80. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 75.
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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:
7:03 pm EDT Apr 9, 2026
Forecast Valid:
10pm EDT Apr 9, 2026-6pm EDT Apr 16, 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