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.

Partly Cloudy

63°F

17°C

Humidity 93%
Wind Speed S 3 mph
Barometer 29.88 in (1011.5 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 13 Oct 10:56 pm EDT
Extended Forecast for

Grooville NY

  • Tonight

    Tonight: Partly cloudy, with a low around 58. West wind around 8 mph.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 65. Northwest wind around 9 mph.

    High: 65 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41. Northwest wind 9 to 11 mph.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 60. North wind around 6 mph becoming calm in the morning.

    High: 60 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers, mainly after 2am. Low around 44. South wind 5 to 13 mph. Chance of precipitation is 100%.

    Low: 44 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 2pm. High near 60. Chance of precipitation is 100%.

    High: 60 °F

    Showers

  • Friday Night

    Friday Night: Rain showers likely before 2am, then a chance of rain and snow showers. Mostly cloudy, with a low around 30. Blustery. Chance of precipitation is 60%.

    Low: 30 °F

    Blustery.
    Showers
    Likely then
    Rain/Snow
    Likely

  • Saturday

    Saturday: A chance of rain and snow showers before 8am. Mostly sunny, with a high near 38. Breezy. Chance of precipitation is 30%.

    High: 38 °F

    Chance
    Rain/Snow and
    Breezy then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 58. West wind around 8 mph.
Wednesday
Partly sunny, with a high near 65. Northwest wind around 9 mph.
Wednesday Night
Mostly cloudy, with a low around 41. Northwest wind 9 to 11 mph.
Thursday
Mostly sunny, with a high near 60. North wind around 6 mph becoming calm in the morning.
Thursday Night
Showers, mainly after 2am. Low around 44. South wind 5 to 13 mph. Chance of precipitation is 100%.
Friday
Showers, with thunderstorms also possible after 2pm. High near 60. Chance of precipitation is 100%.
Friday Night
Rain showers likely before 2am, then a chance of rain and snow showers. Mostly cloudy, with a low around 30. Blustery. Chance of precipitation is 60%.
Saturday
A chance of rain and snow showers before 8am. Mostly sunny, with a high near 38. Breezy. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 26.
Sunday
Sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 33.
Monday
Mostly sunny, with a high near 57.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grooville NY
 41.95°N 74.79°W (Elev. 2326 ft)
Last Update:
2:30 pm EDT Oct 13, 2026
Forecast Valid:
11pm EDT Oct 13, 2026-6pm EDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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