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.

Overcast

51°F

11°C

Humidity 41%
Wind Speed W 8 mph
Barometer 30.14 in (1021.0 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 30 Mar 9:56 am EDT
Extended Forecast for

3 Miles SSE Grant Mills NY

  • Today

    Today: Partly sunny, with a high near 57. West wind 10 to 14 mph, with gusts as high as 26 mph.

    High: 57 °F

    Partly Sunny

  • Tonight

    Tonight: Showers likely, mainly after 2am. Mostly cloudy, with a low around 47. West wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers before 8am, then a chance of rain between 8am and 2pm, then a chance of rain and thunderstorms after 2pm. Mostly cloudy, with a high near 59. Southwest wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 59 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 52. Southwest wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely before 8am, then showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 59. Southwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 48. Chance of precipitation is 60%.

    High: 48 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of rain. Cloudy, with a low around 40. Chance of precipitation is 50%.

    Low: 40 °F

    Chance Rain

  • Friday

    Friday: Rain likely, mainly after 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.

    High: 62 °F

    Rain Likely

Detailed Forecast

Today
Partly sunny, with a high near 57. West wind 10 to 14 mph, with gusts as high as 26 mph.
Tonight
Showers likely, mainly after 2am. Mostly cloudy, with a low around 47. West wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
A chance of showers before 8am, then a chance of rain between 8am and 2pm, then a chance of rain and thunderstorms after 2pm. Mostly cloudy, with a high near 59. Southwest wind 6 to 9 mph, with gusts as high as 21 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 rain and thunderstorms, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 52. Southwest wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain likely before 8am, then showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 59. Southwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 48. Chance of precipitation is 60%.
Thursday Night
A chance of rain. Cloudy, with a low around 40. Chance of precipitation is 50%.
Friday
Rain likely, mainly after 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Friday Night
Rain likely, mainly before 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Saturday
A chance of rain. Mostly cloudy, with a high near 62. Chance of precipitation is 50%.
Saturday Night
Rain likely. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Sunday
Rain likely. Mostly cloudy, with a high near 54. Chance of precipitation is 70%.
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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 30, 2026
Forecast Valid:
10am EDT Mar 30, 2026-6pm EDT Apr 5, 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