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

56°F

13°C

Humidity 72%
Wind Speed NW 8 mph
Barometer 30.07 in (1018.0 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 14 Oct 10:56 pm EDT
Extended Forecast for

3 Miles SW Grant Mills NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. North wind around 9 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 59. North wind around 5 mph becoming calm in the morning.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers, mainly after 1am. Low around 42. Light southeast wind becoming south 5 to 9 mph after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Partly Cloudy
    then Showers

  • Friday

    Friday: Showers. High near 65. South wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 65 °F

    Showers
    Likely then
    Showers

  • Friday Night

    Friday Night: Showers, mainly before 8pm. Low around 32. Northwest wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    Low: 32 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 39. North wind around 9 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 59. North wind around 5 mph becoming calm in the morning.
Thursday Night
Showers, mainly after 1am. Low around 42. Light southeast wind becoming south 5 to 9 mph after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers. High near 65. South wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Showers, mainly before 8pm. Low around 32. Northwest wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
Mostly clear, with a low around 25.
Sunday
Sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 31.
Monday
Sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
Sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Grant Mills NY
 42.06°N 74.71°W (Elev. 2201 ft)
Last Update:
2:30 pm EDT Oct 14, 2026
Forecast Valid:
11pm EDT Oct 14, 2026-6pm EDT Oct 21, 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