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

53°F

12°C

Humidity 80%
Wind Speed NW 6 mph
Barometer 30.01 in (1016.7 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 15 May 8:56 pm EDT
Extended Forecast for

Monticello NY

  • Tonight

    Tonight: Partly cloudy, with a low around 42. West wind 3 to 5 mph.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75. Light west wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 56. Southwest wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 56 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 79. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 42. West wind 3 to 5 mph.
Saturday
Sunny, with a high near 75. Light west wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Saturday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 56. Southwest wind 6 to 8 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 79. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Showers likely, mainly after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 70%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 67.
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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 May 15, 2026
Forecast Valid:
9pm EDT May 15, 2026-6pm EDT May 22, 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