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.

Light Snow

23°F

-5°C

Humidity 74%
Wind Speed NW 8 G 21 mph
Barometer 29.98 in (1017.4 mb)
Dewpoint 16°F (-9°C)
Visibility 9.00 mi
Wind Chill14°F (-10°C)
Last update 12 Feb 5:56 pm EST
Extended Forecast for

Upper Mongaup NY

  • Tonight

    Tonight: Partly cloudy, with a low around 12. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 12 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 30. Northwest wind around 7 mph.

    High: 30 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 15. Calm wind becoming west around 5 mph after midnight.

    Low: 15 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 37. Northwest wind 6 to 9 mph.

    High: 37 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 16. Northwest wind around 5 mph becoming calm in the evening.

    Low: 16 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 12. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 30. Northwest wind around 7 mph.
Friday Night
Mostly cloudy, with a low around 15. Calm wind becoming west around 5 mph after midnight.
Saturday
Partly sunny, with a high near 37. Northwest wind 6 to 9 mph.
Saturday Night
Partly cloudy, with a low around 16. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 36.
Sunday Night
Mostly cloudy, with a low around 22.
Washington's Birthday
Mostly cloudy, with a high near 39.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Showers likely. Mostly cloudy, with a high near 43. Chance of precipitation is 60%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Thursday
A chance of showers. Partly sunny, with a high near 43. Chance of precipitation is 50%.
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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:
3:22 pm EST Feb 12, 2026
Forecast Valid:
6pm EST Feb 12, 2026-6pm EST Feb 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation