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.

Fair

33°F

1°C

Humidity 85%
Wind Speed Calm
Barometer 30.23 in (1025.3 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 8 Jan 6:56 pm EST
Extended Forecast for

4 Miles ESE Grant Mills NY

  • Tonight

    Tonight: Increasing clouds, with a low around 26. Calm wind becoming south around 6 mph after midnight.

    Low: 26 °F

    Increasing
    Clouds

  • Friday

    Friday: Rain likely, mainly after 3pm. Mostly cloudy, with a high near 46. South wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Partly Sunny
    then Rain
    Likely

  • Friday Night

    Friday Night: A chance of rain, mainly before 7pm. Cloudy, with a low around 30. Southwest wind 8 to 11 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 30 °F

    Chance Rain

  • Saturday

    Saturday: Rain, possibly mixed with snow, mainly after 1pm. High near 40. North wind around 6 mph becoming southeast in the afternoon. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 40 °F

    Cloudy then
    Rain/Snow

  • Saturday Night

    Saturday Night: Rain, possibly mixed with snow before 10pm, then rain between 10pm and 4am, then a chance of freezing rain after 4am. Low around 30. Southeast wind around 7 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 30 °F

    Wintry Mix

  • Sunday

    Sunday: A chance of snow and freezing rain before 7am, then a chance of snow. Mostly cloudy, with a high near 38. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 38 °F

    Chance Wintry
    Mix then
    Chance Snow

  • Sunday Night

    Sunday Night: A chance of snow before 1am. Mostly cloudy, with a low around 18. Breezy. Chance of precipitation is 30%.

    Low: 18 °F

    Chance Snow
    and Breezy

  • Monday

    Monday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 26. Calm wind becoming south around 6 mph after midnight.
Friday
Rain likely, mainly after 3pm. Mostly cloudy, with a high near 46. South wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of rain, mainly before 7pm. Cloudy, with a low around 30. Southwest wind 8 to 11 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain, possibly mixed with snow, mainly after 1pm. High near 40. North wind around 6 mph becoming southeast in the afternoon. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday Night
Rain, possibly mixed with snow before 10pm, then rain between 10pm and 4am, then a chance of freezing rain after 4am. Low around 30. Southeast wind around 7 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A chance of snow and freezing rain before 7am, then a chance of snow. Mostly cloudy, with a high near 38. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A chance of snow before 1am. Mostly cloudy, with a low around 18. Breezy. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 30.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 26.
Wednesday
A chance of snow. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
Wednesday Night
A chance of snow. Cloudy, with a low around 21. Chance of precipitation is 40%.
Thursday
A chance of snow. Mostly cloudy, with a high near 28. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Grant Mills NY
 42.07°N 74.62°W (Elev. 2100 ft)
Last Update:
6:53 pm EST Jan 8, 2026
Forecast Valid:
7pm EST Jan 8, 2026-6pm EST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation