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

65°F

18°C

Humidity 56%
Wind Speed SE 16 mph
Barometer 29.91 in (1012.6 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 18 Apr 5:56 pm EDT
Extended Forecast for

4 Miles NW Lewbeach NY

  • Tonight

    Tonight: Showers, mainly after 4am. Low around 33. South wind 11 to 16 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 33 °F

    Slight Chance
    Showers then
    Showers

  • Sunday

    Sunday: Rain showers and snow showers, possibly mixed with sleet before 4pm, then a slight chance of rain showers after 5pm. High near 42. Northwest wind 11 to 13 mph. Chance of precipitation is 100%. New snow and sleet accumulation of less than a half inch possible.

    High: 42 °F

    Wintry Mix
    then Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A slight chance of snow showers before 8pm, then a slight chance of snow showers after 2am. Partly cloudy, with a low around 26. West wind 7 to 9 mph. Chance of precipitation is 20%.

    Low: 26 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers

  • Monday

    Monday: A slight chance of snow showers before 2pm, then a slight chance of rain and snow showers. Partly sunny, with a high near 36. Northwest wind around 10 mph. Chance of precipitation is 20%.

    High: 36 °F

    Slight Chance
    Snow Showers
    then Slight
    Chance
    Rain/Snow

  • Monday Night

    Monday Night: Mostly clear, with a low around 18. Northwest wind 6 to 9 mph.

    Low: 18 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain showers before 11pm, then a chance of rain and snow showers between 11pm and 2am, then a chance of rain showers after 2am. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.

    Low: 33 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers, mainly after 4am. Low around 33. South wind 11 to 16 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain showers and snow showers, possibly mixed with sleet before 4pm, then a slight chance of rain showers after 5pm. High near 42. Northwest wind 11 to 13 mph. Chance of precipitation is 100%. New snow and sleet accumulation of less than a half inch possible.
Sunday Night
A slight chance of snow showers before 8pm, then a slight chance of snow showers after 2am. Partly cloudy, with a low around 26. West wind 7 to 9 mph. Chance of precipitation is 20%.
Monday
A slight chance of snow showers before 2pm, then a slight chance of rain and snow showers. Partly sunny, with a high near 36. Northwest wind around 10 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 18. Northwest wind 6 to 9 mph.
Tuesday
Sunny, with a high near 44.
Tuesday Night
A chance of rain showers before 11pm, then a chance of rain and snow showers between 11pm and 2am, then a chance of rain showers after 2am. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 52.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 61.
Friday Night
A chance of showers. Partly cloudy, with a low around 41. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 59. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Lewbeach NY
 42.05°N 74.83°W (Elev. 2579 ft)
Last Update:
2:30 pm EDT Apr 18, 2026
Forecast Valid:
6pm EDT Apr 18, 2026-6pm EDT Apr 25, 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