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

63°F

17°C

Humidity 93%
Wind Speed W 5 mph
Barometer 29.99 in (1014.6 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 20 May 5:56 am EDT
Extended Forecast for

3 Miles N Lewbeach NY

  • Today

    Today: A chance of showers and thunderstorms. Partly sunny, with a high near 75. Northwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. North wind around 6 mph.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 63. North wind around 6 mph.

    High: 63 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40. Light northeast wind.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 63. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 63 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers likely, mainly after 2am. Cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers. High near 52. Chance of precipitation is 80%.

    High: 52 °F

    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 41. Chance of precipitation is 80%.

    Low: 41 °F

    Showers

  • Sunday

    Sunday: Showers likely before 2pm. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.

    High: 59 °F

    Showers
    Likely

Detailed Forecast

Today
A chance of showers and thunderstorms. Partly sunny, with a high near 75. Northwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly cloudy, with a low around 43. North wind around 6 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 63. North wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 40. Light northeast wind.
Friday
Partly sunny, with a high near 63. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Showers likely, mainly after 2am. Cloudy, with a low around 42. Chance of precipitation is 60%.
Saturday
Showers. High near 52. Chance of precipitation is 80%.
Saturday Night
Showers. Low around 41. Chance of precipitation is 80%.
Sunday
Showers likely before 2pm. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly after 2am. Cloudy, with a low around 47. Chance of precipitation is 60%.
Memorial Day
Showers likely. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Lewbeach NY
 42.04°N 74.77°W (Elev. 2008 ft)
Last Update:
6:19 am EDT May 20, 2026
Forecast Valid:
6am EDT May 20, 2026-6pm EDT May 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