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

28°F

-2°C

Humidity 88%
Wind Speed Calm
Barometer 30.45 in (1032.3 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 12 Apr 5:56 am EDT
Extended Forecast for

Monticello NY

  • Today

    Today: Mostly sunny, with a high near 56. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. South wind around 8 mph.

    Low: 42 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers, mainly after 2pm. Partly sunny, with a high near 67. Southwest wind 8 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 54. West wind 6 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 78. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 78 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 40%.

    High: 79 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.

    Low: 58 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 30%.

    High: 78 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 56. Calm wind becoming south 5 to 9 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 42. South wind around 8 mph.
Monday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 67. Southwest wind 8 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 54. West wind 6 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 78. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Wednesday
A chance of showers after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.
Thursday
A chance of showers after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 75.
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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 am EDT Apr 12, 2026
Forecast Valid:
6am EDT Apr 12, 2026-6pm EDT Apr 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