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.

A Few Clouds

77°F

25°C

Humidity 64%
Wind Speed NW 14 G 20 mph
Barometer 29.94 in (1012.9 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 10 Sep 11:56 am EDT
Extended Forecast for

Monticello NY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 79. West wind around 11 mph, with gusts as high as 24 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. Northwest wind 3 to 5 mph.

    Low: 54 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 73. Northwest wind around 7 mph.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 48. Light northwest wind.

    Low: 48 °F

    Clear then
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 75. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 75 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Showers likely, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.

    Low: 58 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers before 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 79. West wind around 11 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, with a low around 54. Northwest wind 3 to 5 mph.
Friday
Sunny, with a high near 73. Northwest wind around 7 mph.
Friday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 48. Light northwest wind.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 75. Calm wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
Showers likely, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Sunday
A chance of showers before 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 30%.
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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:
9:52 am EDT Sep 10, 2026
Forecast Valid:
12pm EDT Sep 10, 2026-6pm EDT Sep 16, 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