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.

Mostly Cloudy

49°F

9°C

Humidity 83%
Wind Speed E 6 mph
Barometer 30.06 in (1017.7 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 18 Apr 5:56 am EDT
Extended Forecast for

2 Miles ESE Youngsville NY

  • Today

    Today: Mostly sunny, with a high near 66. Light east wind becoming southeast 6 to 11 mph in the morning.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers after 10pm. Mostly cloudy, with a low around 38. Southeast wind 6 to 10 mph. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Chance
    Showers

  • Sunday

    Sunday: Rain showers before 10am, then rain and snow showers between 10am and 11am, then rain showers after 11am. High near 44. Northwest wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow
    then Showers

  • Sunday Night

    Sunday Night: Scattered rain showers before 8pm, then a slight chance of snow showers after 2am. Partly cloudy, with a low around 28. Northwest wind 3 to 7 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 28 °F

    Scattered
    Showers then
    Slight Chance
    Snow Showers

  • Monday

    Monday: Mostly sunny, with a high near 41. Northwest wind 7 to 10 mph.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.

    Low: 35 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 66. Light east wind becoming southeast 6 to 11 mph in the morning.
Tonight
A chance of showers after 10pm. Mostly cloudy, with a low around 38. Southeast wind 6 to 10 mph. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain showers before 10am, then rain and snow showers between 10am and 11am, then rain showers after 11am. High near 44. Northwest wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday Night
Scattered rain showers before 8pm, then a slight chance of snow showers after 2am. Partly cloudy, with a low around 28. Northwest wind 3 to 7 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday
Mostly sunny, with a high near 41. Northwest wind 7 to 10 mph.
Monday Night
Mostly clear, with a low around 21.
Tuesday
Sunny, with a high near 49.
Tuesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
Sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Youngsville NY
 41.81°N 74.85°W (Elev. 1450 ft)
Last Update:
2:30 am EDT Apr 18, 2026
Forecast Valid:
6am EDT Apr 18, 2026-6pm EDT Apr 24, 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