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

78°F

26°C

Humidity 67%
Wind Speed NW 5 mph
Barometer 29.89 in (1011.2 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 11 Aug 5:56 pm EDT
Extended Forecast for

Monticello NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. Northwest wind 3 to 6 mph.

    Low: 57 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 80. North wind 3 to 6 mph.

    High: 80 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A slight chance of showers between midnight and 2am. Partly cloudy, with a low around 58. Light west wind. Chance of precipitation is 20%.

    Low: 58 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 79. West wind 3 to 8 mph.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. Northwest wind 3 to 5 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 57. Northwest wind 3 to 6 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 80. North wind 3 to 6 mph.
Wednesday Night
A slight chance of showers between midnight and 2am. Partly cloudy, with a low around 58. Light west wind. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 79. West wind 3 to 8 mph.
Thursday Night
Partly cloudy, with a low around 57. Northwest wind 3 to 5 mph.
Friday
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
A chance of showers after 2pm. Mostly sunny, with a high near 74. Chance of precipitation is 40%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Monday
A chance of showers. Mostly cloudy, with a high near 76. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monticello NY
 41.66°N 74.7°W (Elev. 1545 ft)
Last Update:
6:33 pm EDT Aug 11, 2026
Forecast Valid:
6pm EDT Aug 11, 2026-6pm EDT Aug 18, 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