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.

Mostly Cloudy

78°F

26°C

Humidity 62%
Wind Speed Vrbl 7 mph
Barometer 30.04 in (1016.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 20 May 10:56 am EDT
Extended Forecast for

4 Miles NE Grooville NY

  • Today

    Today: A chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a temperature falling to around 65 by 5pm. Northwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 74 °F⇓

    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. North wind around 9 mph.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 60. North wind 6 to 8 mph.

    High: 60 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40. North wind around 5 mph.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 60. Southeast wind around 6 mph.

    High: 60 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers likely, mainly after 2am. Cloudy, with a low around 40. Chance of precipitation is 60%.

    Low: 40 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers. High near 48. Chance of precipitation is 80%.

    High: 48 °F

    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 40. Chance of precipitation is 80%.

    Low: 40 °F

    Showers

  • Sunday

    Sunday: Showers likely before 2pm. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.

    High: 58 °F

    Showers
    Likely

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a temperature falling to around 65 by 5pm. Northwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Tonight
Mostly cloudy, with a low around 41. North wind around 9 mph.
Thursday
Partly sunny, with a high near 60. North wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 40. North wind around 5 mph.
Friday
Partly sunny, with a high near 60. Southeast wind around 6 mph.
Friday Night
Showers likely, mainly after 2am. Cloudy, with a low around 40. Chance of precipitation is 60%.
Saturday
Showers. High near 48. Chance of precipitation is 80%.
Saturday Night
Showers. Low around 40. Chance of precipitation is 80%.
Sunday
Showers likely before 2pm. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Memorial Day
Showers likely. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Grooville NY
 41.99°N 74.7°W (Elev. 2782 ft)
Last Update:
9:26 am EDT May 20, 2026
Forecast Valid:
11am EDT May 20, 2026-6pm EDT May 26, 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