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.

Mostly Cloudy

61°F

16°C

Humidity 58%
Wind Speed E 5 mph
Barometer 30.24 in (1024.0 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 21 May 2:56 pm EDT
Extended Forecast for

Monticello NY

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 62. Light east wind.

    High: 62 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 41. Calm wind becoming northeast around 5 mph after midnight.

    Low: 41 °F

    Decreasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 65. East wind 7 to 9 mph.

    High: 65 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of showers after 2am. Cloudy, with a low around 42. East wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Showers, mainly after 8am. High near 52. Southeast wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.

    High: 52 °F

    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 39. Chance of precipitation is 100%.

    Low: 39 °F

    Showers

  • Sunday

    Sunday: Showers before 2pm. High near 57. Chance of precipitation is 80%.

    High: 57 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Cloudy, with a low around 47. Chance of precipitation is 40%.

    Low: 47 °F

    Cloudy then
    Chance
    Showers

  • Memorial Day

    Memorial Day: A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.

    High: 69 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 62. Light east wind.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 41. Calm wind becoming northeast around 5 mph after midnight.
Friday
Partly sunny, with a high near 65. East wind 7 to 9 mph.
Friday Night
A slight chance of showers after 2am. Cloudy, with a low around 42. East wind 3 to 5 mph. Chance of precipitation is 20%.
Saturday
Showers, mainly after 8am. High near 52. Southeast wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Saturday Night
Showers. Low around 39. Chance of precipitation is 100%.
Sunday
Showers before 2pm. High near 57. Chance of precipitation is 80%.
Sunday Night
A chance of showers after 2am. Cloudy, with a low around 47. Chance of precipitation is 40%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 52.
Tuesday
Partly sunny, with a high near 78.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Monticello NY
 41.65°N 74.67°W (Elev. 1414 ft)
Last Update:
2:30 pm EDT May 21, 2026
Forecast Valid:
3pm EDT May 21, 2026-6pm EDT May 27, 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