Current conditions at
Monticello, Sullivan County International Airport (KMSV)
Lat: 41.7°NLon: 74.8°WElev: 1404ft.
A Few Clouds and Breezy
34°F
1°C
| Humidity | 44% |
| Wind Speed | NW 21 G 29 mph |
| Barometer | 30.29 in (1027.1 mb) |
| Dewpoint | 14°F (-10°C) |
| Visibility | 10.00 mi |
| Wind Chill | 22°F (-6°C) |
| Last update | 7 Apr 4:56 pm EDT |
Extended Forecast for
Mongaup Valley NY
Tonight
Low: 18 °F
Mostly Clear
Wednesday
High: 50 °F
Sunny
Wednesday Night
Low: 24 °F
Clear
Thursday
High: 55 °F
Sunny
Thursday Night
Low: 32 °F
Mostly Clear
Friday
High: 67 °F
Mostly Sunny
Friday Night
Low: 38 °F
Chance
ShowersSaturday
High: 55 °F
Mostly Sunny
Saturday Night
Low: 30 °F
Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 18. Northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 24 mph.
Wednesday
Sunny, with a high near 50. Light and variable wind.
Wednesday Night
Clear, with a low around 24. Light south wind.
Thursday
Sunny, with a high near 55. Calm wind becoming south 5 to 8 mph in the morning.
Thursday Night
Mostly clear, with a low around 32. South wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 67.
Friday Night
A chance of showers before 2am. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
Clear, with a low around 30.
Sunday
Sunny, with a high near 60.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Partly sunny, with a high near 73.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
Partly sunny, with a high near 76.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Mongaup Valley NY
41.65°N 74.79°W (Elev. 1181 ft)
41.65°N 74.79°W (Elev. 1181 ft)
3:23 pm EDT Apr 7, 2026
5pm EDT Apr 7, 2026-6pm EDT Apr 14, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
