Current conditions at
Monticello, Sullivan County International Airport (KMSV)
Lat: 41.7°NLon: 74.8°WElev: 1404ft.
Partly Cloudy
40°F
4°C
| Humidity | 65% |
| Wind Speed | NW 10 mph |
| Barometer | 29.96 in (1015.4 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 34°F (1°C) |
| Last update | 21 Mar 5:56 pm EDT |
Extended Forecast for
Upper Mongaup NY
Tonight

Low: 36 °F
Cloudy
Sunday

High: 61 °F
Chance
ShowersSunday Night

Low: 34 °F
Showers
Monday
High: 43 °F
Rain/Snow
Likely then
Slight Chance
Snow ShowersMonday Night

Low: 24 °F
Mostly Clear
Tuesday

High: 45 °F
Sunny
Tuesday Night

Low: 29 °F
Mostly Cloudy
Wednesday

High: 49 °F
Partly Sunny
Wednesday Night

Low: 30 °F
Mostly Cloudy
Detailed Forecast
Tonight
Cloudy, with a low around 36. Light and variable wind.
Sunday
A chance of drizzle before 2pm, then a chance of showers, mainly after 4pm. Partly sunny, with a high near 61. South wind 6 to 8 mph becoming west in the afternoon. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers. Low around 34. Northwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain and snow showers likely before 11am, then a slight chance of snow showers between 11am and 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 43. Northwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday Night
Mostly clear, with a low around 24. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
A chance of rain. Mostly cloudy, with a high near 51. Chance of precipitation is 30%.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 33. Chance of precipitation is 70%.
Friday
A chance of rain and snow. Mostly sunny, with a high near 43. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Sunny, with a high near 41.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Upper Mongaup NY
41.47°N 74.8°W (Elev. 1224 ft)
41.47°N 74.8°W (Elev. 1224 ft)
3:45 pm EDT Mar 21, 2026
6pm EDT Mar 21, 2026-6pm EDT Mar 28, 2026


