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

62°F

17°C

Humidity 78%
Wind Speed SW 5 mph
Barometer 29.98 in (1015.1 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 31 Mar 10:56 am EDT
Extended Forecast for

3 Miles SSE Grant Mills NY

  • This Afternoon

    This Afternoon: A chance of rain, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 62. West wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Chance Rain

  • Tonight

    Tonight: Rain and thunderstorms before 11pm, then rain likely. Low around 53. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Rain

  • Wednesday

    Wednesday: Rain, mainly after 8am. High near 56. West wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly before 2am. Low around 38. North wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain

  • Thursday

    Thursday: A chance of rain. Mostly cloudy, with a high near 44. Southeast wind 6 to 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain before 2am. Cloudy, with a low around 38. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance Rain

  • Friday

    Friday: A chance of rain after 2pm. Mostly cloudy, with a high near 63. Chance of precipitation is 30%.

    High: 63 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday Night

    Friday Night: A chance of rain before 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.

    Low: 49 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain after 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.

    High: 68 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

This Afternoon
A chance of rain, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 62. West wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain and thunderstorms before 11pm, then rain likely. Low around 53. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain, mainly after 8am. High near 56. West wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain, mainly before 2am. Low around 38. North wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A chance of rain. Mostly cloudy, with a high near 44. Southeast wind 6 to 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of rain before 2am. Cloudy, with a low around 38. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of rain after 2pm. Mostly cloudy, with a high near 63. Chance of precipitation is 30%.
Friday Night
A chance of rain before 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Saturday
A chance of rain after 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.
Saturday Night
Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Sunday
Rain likely. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Sunday Night
Rain likely. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Grant Mills NY
 42.03°N 74.66°W (Elev. 2533 ft)
Last Update:
8:37 am EDT Mar 31, 2026
Forecast Valid:
12pm EDT Mar 31, 2026-6pm EDT Apr 6, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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