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

49°F

9°C

Humidity 31%
Wind Speed SW 6 mph
Barometer 30.32 in (1028.2 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 29 Mar 6:56 pm EDT
Extended Forecast for

3 Miles SSE Grant Mills NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. South wind around 7 mph.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 53. Southwest wind 8 to 10 mph, with gusts as high as 24 mph.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of rain. Mostly cloudy, with a low around 44. Southwest wind 5 to 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Chance Rain

  • Tuesday

    Tuesday: A chance of rain. Mostly cloudy, with a high near 60. Southwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain. Mostly cloudy, with a low around 51. Southwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain, with thunderstorms also possible after 2pm. High near 63. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 39. Chance of precipitation is 50%.

    Low: 39 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.

    High: 46 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely. Cloudy, with a low around 37. Chance of precipitation is 70%.

    Low: 37 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 32. South wind around 7 mph.
Monday
Mostly sunny, with a high near 53. Southwest wind 8 to 10 mph, with gusts as high as 24 mph.
Monday Night
A chance of rain. Mostly cloudy, with a low around 44. Southwest wind 5 to 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A chance of rain. Mostly cloudy, with a high near 60. Southwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 51. Southwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain, with thunderstorms also possible after 2pm. High near 63. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 39. Chance of precipitation is 50%.
Thursday
Rain likely. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.
Thursday Night
Rain likely. Cloudy, with a low around 37. Chance of precipitation is 70%.
Friday
Rain likely. Mostly cloudy, with a high near 54. Chance of precipitation is 70%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 50%.
Saturday
A chance of rain. Mostly cloudy, with a high near 51. Chance of precipitation is 40%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 37. Chance of precipitation is 50%.
Sunday
Rain likely. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.
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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:
2:37 pm EDT Mar 29, 2026
Forecast Valid:
7pm EDT Mar 29, 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