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

73°F

23°C

Humidity 53%
Wind Speed W 7 mph
Barometer 29.94 in (1013.3 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 18 Aug 6:56 pm EDT
Extended Forecast for

3 Miles NW Lewbeach NY

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 54. Light north wind.

    Low: 54 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 9am. Otherwise, sunny, with a high near 77. Calm wind becoming west around 6 mph in the afternoon.

    High: 77 °F

    Areas Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: A slight chance of showers after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 73. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 73 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 40%.

    High: 73 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

Detailed Forecast

Tonight
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 54. Light north wind.
Wednesday
Areas of fog before 9am. Otherwise, sunny, with a high near 77. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 56. Calm wind.
Thursday
A slight chance of showers after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 73. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 51. Calm wind.
Friday
Sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 55.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 40%.
Saturday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Lewbeach NY
 42.02°N 74.81°W (Elev. 2270 ft)
Last Update:
2:30 pm EDT Aug 18, 2026
Forecast Valid:
7pm EDT Aug 18, 2026-6pm EDT Aug 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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