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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Grooville NY

  • Today

    Today: Partly sunny, with a high near 66. Northwest wind around 9 mph.

    High: 66 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. North wind around 11 mph, with gusts as high as 21 mph.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 61. North wind around 6 mph becoming calm in the morning.

    High: 61 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers, with thunderstorms also possible after 5am. Low around 43. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Slight Chance
    Showers then
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 64. South wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

    High: 64 °F

    Showers

  • Friday Night

    Friday Night: A chance of rain showers before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 30. Blustery. Chance of precipitation is 50%.

    Low: 30 °F

    Blustery.
    Chance
    Showers then
    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of snow showers before 8am. Mostly sunny, with a high near 39. Breezy. Chance of precipitation is 30%.

    High: 39 °F

    Chance Snow
    Showers and
    Breezy then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 66. Northwest wind around 9 mph.
Tonight
Mostly cloudy, with a low around 40. North wind around 11 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 61. North wind around 6 mph becoming calm in the morning.
Thursday Night
Showers, with thunderstorms also possible after 5am. Low around 43. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and possibly a thunderstorm. High near 64. South wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Friday Night
A chance of rain showers before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 30. Blustery. Chance of precipitation is 50%.
Saturday
A chance of snow showers before 8am. Mostly sunny, with a high near 39. Breezy. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 27.
Sunday
Sunny, with a high near 53.
Sunday Night
Mostly clear, with a low around 32.
Monday
Sunny, with a high near 59.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grooville NY
 41.95°N 74.76°W (Elev. 2156 ft)
Last Update:
2:30 am EDT Oct 14, 2026
Forecast Valid:
8am EDT Oct 14, 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