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

65°F

18°C

Humidity 84%
Wind Speed SE 6 mph
Barometer 29.93 in (1013.1 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 17 Apr 2:56 pm EDT
Extended Forecast for

Monticello NY

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 70. North wind around 7 mph. Chance of precipitation is 20%.

    High: 70 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 49. East wind 3 to 5 mph.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 68. Southeast wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers, mainly after 2am. Low around 43. Southeast wind 6 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Slight Chance
    Showers then
    Showers

  • Sunday

    Sunday: Rain showers before 5pm, then a chance of rain and snow showers. High near 44. Northwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

    High: 44 °F

    Showers then
    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of rain and snow showers before 8pm, then a slight chance of snow showers between 8pm and 2am. Partly cloudy, with a low around 29. Chance of precipitation is 30%.

    Low: 29 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Monday

    Monday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 70. North wind around 7 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 49. East wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 68. Southeast wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Showers, mainly after 2am. Low around 43. Southeast wind 6 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain showers before 5pm, then a chance of rain and snow showers. High near 44. Northwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Sunday Night
A chance of rain and snow showers before 8pm, then a slight chance of snow showers between 8pm and 2am. Partly cloudy, with a low around 29. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 42.
Monday Night
Mostly clear, with a low around 23.
Tuesday
Sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 59.
Wednesday Night
Mostly clear, with a low around 34.
Thursday
Sunny, with a high near 62.
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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 Apr 17, 2026
Forecast Valid:
3pm EDT Apr 17, 2026-6pm EDT Apr 23, 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