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

18°F

-8°C

Humidity 88%
Wind Speed N 3 mph
Barometer 30.47 in (1033.9 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 29 Mar 4:56 am EDT
Extended Forecast for

5 Miles ESE Grant Mills NY

  • Today

    Today: Partly sunny, with a high near 41. Southwest wind 10 to 16 mph, with gusts as high as 28 mph.

    High: 41 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. Southwest wind 11 to 17 mph.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 52. Southwest wind around 17 mph, with gusts as high as 30 mph.

    High: 52 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 42. Southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 57. Southwest wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Breezy. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Chance
    T-storms and
    Breezy

  • Wednesday

    Wednesday: Showers likely. Mostly cloudy, with a high near 59. Breezy. Chance of precipitation is 70%.

    High: 59 °F

    Showers
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.

    Low: 33 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of rain. Mostly cloudy, with a high near 43. Chance of precipitation is 50%.

    High: 43 °F

    Chance Rain

Detailed Forecast

Today
Partly sunny, with a high near 41. Southwest wind 10 to 16 mph, with gusts as high as 28 mph.
Tonight
Mostly cloudy, with a low around 31. Southwest wind 11 to 17 mph.
Monday
Partly sunny, with a high near 52. Southwest wind around 17 mph, with gusts as high as 30 mph.
Monday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 42. Southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 57. Southwest wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Breezy. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely. Mostly cloudy, with a high near 59. Breezy. Chance of precipitation is 70%.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 43. Chance of precipitation is 50%.
Thursday Night
Rain or freezing rain likely. Cloudy, with a low around 33. Chance of precipitation is 60%.
Friday
Rain or freezing rain likely. Cloudy, with a high near 44. Chance of precipitation is 70%.
Friday Night
Rain likely. Cloudy, with a low around 35. Chance of precipitation is 60%.
Saturday
A chance of rain. Mostly cloudy, with a high near 48. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Grant Mills NY
 42.04°N 74.6°W (Elev. 3593 ft)
Last Update:
2:37 am EDT Mar 29, 2026
Forecast Valid:
5am EDT Mar 29, 2026-6pm EDT Apr 4, 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