Hazardous Weather Conditions
Current conditions at
Monticello, Sullivan County International Airport (KMSV)
Lat: 41.7°NLon: 74.8°WElev: 1404ft.
Fair
63°F
17°C
| Humidity | 87% |
| Wind Speed | Calm |
| Barometer | 30.09 in (1018.0 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 9 Aug 11:56 pm EDT |
Extended Forecast for
Grooville NY
Overnight

Low: 57 °F
Mostly Clear
Monday
High: 79 °F
Mostly Sunny
then Showers
LikelyMonday Night
Low: 59 °F
Chance
T-storms then
Slight Chance
ShowersTuesday

High: 75 °F
Mostly Sunny
Tuesday Night

Low: 54 °F
Partly Cloudy
Wednesday

High: 76 °F
Mostly Sunny
Wednesday Night

Low: 56 °F
Chance
ShowersThursday

High: 75 °F
Chance
ShowersThursday Night

Low: 51 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 57. Calm wind.
Monday
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 79. Light and variable wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 59. Northwest wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 75. Northwest wind around 8 mph.
Tuesday Night
Partly cloudy, with a low around 54. Light north wind.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
Thursday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 71.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Grooville NY
41.95°N 74.76°W (Elev. 2156 ft)
41.95°N 74.76°W (Elev. 2156 ft)
2:30 pm EDT Aug 9, 2026
12am EDT Aug 10, 2026-6pm EDT Aug 16, 2026



