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

39°F

4°C

Humidity 76%
Wind Speed S 3 mph
Barometer 29.93 in (1014.3 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 26 Mar 6:56 am EDT
Extended Forecast for

3 Miles SSE Grant Mills NY

  • Today

    Today: Rain likely, mainly after 5pm. Increasing clouds, with a high near 60. West wind 7 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Mostly Sunny
    then Rain
    Likely

  • Tonight

    Tonight: Rain, mainly before 1am. Low around 31. Northwest wind 6 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 31 °F

    Rain then
    Rain Likely

  • Friday

    Friday: Mostly cloudy, with a high near 38. North wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 38 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 15. North wind around 7 mph.

    Low: 15 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 25. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 25 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of rain after 2pm. Mostly cloudy, with a high near 49. Chance of precipitation is 30%.

    High: 49 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Today
Rain likely, mainly after 5pm. Increasing clouds, with a high near 60. West wind 7 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain, mainly before 1am. Low around 31. Northwest wind 6 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Mostly cloudy, with a high near 38. North wind 8 to 13 mph, with gusts as high as 24 mph.
Friday Night
Partly cloudy, with a low around 15. North wind around 7 mph.
Saturday
Mostly sunny, with a high near 25. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
A chance of rain after 2pm. Mostly cloudy, with a high near 49. Chance of precipitation is 30%.
Monday Night
A chance of rain. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.
Tuesday
A chance of rain. Mostly cloudy, with a high near 49. Chance of precipitation is 50%.
Tuesday Night
Rain or freezing rain likely. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Wednesday
Rain or freezing rain likely. Mostly cloudy, with a high near 50. Chance of precipitation is 60%.
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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:
2:37 am EDT Mar 26, 2026
Forecast Valid:
7am EDT Mar 26, 2026-6pm EDT Apr 1, 2026
 
Forecast Discussion
 
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Additional Resources

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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