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

52°F

11°C

Humidity 75%
Wind Speed E 5 mph
Barometer 30.45 in (1031.9 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 10 Oct 7:56 pm EDT
Extended Forecast for

Monticello NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. Light east wind.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers, mainly after noon. High near 56. East wind 5 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 56 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers between midnight and 1am. Low around 51. Northeast wind 7 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Showers then
    Chance
    Showers

  • Columbus Day

    Columbus Day: A chance of showers before 7am. Mostly cloudy through mid morning, then becoming sunny, with a high near 68. Northwest wind 3 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50. Northwest wind around 6 mph becoming calm in the evening.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 66. Chance of precipitation is 30%.

    High: 66 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 44. Light east wind.
Sunday
Showers, mainly after noon. High near 56. East wind 5 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers between midnight and 1am. Low around 51. Northeast wind 7 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Columbus Day
A chance of showers before 7am. Mostly cloudy through mid morning, then becoming sunny, with a high near 68. Northwest wind 3 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 50. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 66. Chance of precipitation is 30%.
Tuesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly cloudy, with a high near 57. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.
Saturday
Partly sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Monticello NY
 41.66°N 74.7°W (Elev. 1545 ft)
Last Update:
2:30 pm EDT Oct 10, 2026
Forecast Valid:
8pm EDT Oct 10, 2026-6pm EDT Oct 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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