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

65°F

18°C

Humidity 68%
Wind Speed Calm
Barometer 30.30 in (1025.5 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 24 Jul 8:56 am EDT
Extended Forecast for

Monticello NY

  • Today

    Today: Sunny, with a high near 79. Light and variable wind.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. Light and variable wind.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 60%.

    High: 80 °F

    Mostly Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, then showers and possibly a thunderstorm after 8am. High near 76. Chance of precipitation is 80%.

    High: 76 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 79. Light and variable wind.
Tonight
Partly cloudy, with a low around 54. Calm wind.
Saturday
Sunny, with a high near 80. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 55. Light and variable wind.
Sunday
Sunny, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Tuesday
Showers likely, then showers and possibly a thunderstorm after 8am. High near 76. Chance of precipitation is 80%.
Tuesday Night
Showers, mainly before 8pm. Low around 59. Chance of precipitation is 80%.
Wednesday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Monticello NY
 41.66°N 74.7°W (Elev. 1545 ft)
Last Update:
6:38 am EDT Jul 24, 2026
Forecast Valid:
9am EDT Jul 24, 2026-6pm EDT Jul 30, 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