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.

Overcast

37°F

3°C

Humidity 65%
Wind Speed W 12 G 20 mph
Barometer 30.13 in (1021.7 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 20 Apr 9:56 am EDT
Extended Forecast for

Monticello NY

  • Today

    Today: Isolated snow showers after 2pm. Mostly sunny, with a high near 41. Northwest wind 10 to 13 mph. Chance of precipitation is 20%.

    High: 41 °F

    Mostly Sunny
    then Isolated
    Snow Showers

  • Tonight

    Tonight: Mostly clear, with a low around 21. Northwest wind 5 to 8 mph.

    Low: 21 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 49. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 49 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of rain showers before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 34. South wind around 6 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 34 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of showers between 7am and 8am. Partly sunny, with a high near 55. South wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 30%.

    High: 55 °F

    Chance
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Today
Isolated snow showers after 2pm. Mostly sunny, with a high near 41. Northwest wind 10 to 13 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 21. Northwest wind 5 to 8 mph.
Tuesday
Increasing clouds, with a high near 49. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
A chance of rain showers before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 34. South wind around 6 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday
A chance of showers between 7am and 8am. Partly sunny, with a high near 55. South wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 62.
Friday Night
A chance of showers. Partly cloudy, with a low around 39. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 56. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 56. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monticello NY
 41.65°N 74.67°W (Elev. 1414 ft)
Last Update:
8:40 am EDT Apr 20, 2026
Forecast Valid:
10am EDT Apr 20, 2026-6pm EDT Apr 26, 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