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.

Overcast

62°F

17°C

Humidity 80%
Wind Speed Calm
Barometer 30.01 in (1015.6 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 26 Jul 7:56 am EDT
Extended Forecast for

3 Miles N Lewbeach NY

  • Today

    Today: Mostly sunny, with a high near 76. Light southwest wind.

    High: 76 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Scattered showers and thunderstorms after 2pm. Areas of fog before 9am. Otherwise, increasing clouds, with a high near 78. Calm wind becoming southwest around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Areas Fog
    then
    Scattered
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 7pm, then scattered showers and thunderstorms between 7pm and 11pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 58. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 11am. Some of the storms could produce heavy rainfall. High near 72. South wind 3 to 8 mph. Chance of precipitation is 100%.

    High: 72 °F

    Heavy Rain

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Some of the storms could produce heavy rainfall. Low around 57. Chance of precipitation is 90%.

    Low: 57 °F

    Heavy Rain

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 70. Chance of precipitation is 90%.

    High: 70 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 55. Chance of precipitation is 80%.

    Low: 55 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 71. Chance of precipitation is 60%.

    High: 71 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 76. Light southwest wind.
Tonight
Partly cloudy, with a low around 56. Calm wind.
Monday
Scattered showers and thunderstorms after 2pm. Areas of fog before 9am. Otherwise, increasing clouds, with a high near 78. Calm wind becoming southwest around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers likely and possibly a thunderstorm before 7pm, then scattered showers and thunderstorms between 7pm and 11pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 58. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers, with thunderstorms also possible after 11am. Some of the storms could produce heavy rainfall. High near 72. South wind 3 to 8 mph. Chance of precipitation is 100%.
Tuesday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Some of the storms could produce heavy rainfall. Low around 57. Chance of precipitation is 90%.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 70. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 55. Chance of precipitation is 80%.
Thursday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 71. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 55. Chance of precipitation is 60%.
Friday
A chance of showers. Mostly sunny, with a high near 75. Chance of precipitation is 30%.
Friday Night
A chance of showers. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly sunny, with a high near 76. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Lewbeach NY
 42.04°N 74.77°W (Elev. 2008 ft)
Last Update:
6:09 am EDT Jul 26, 2026
Forecast Valid:
8am EDT Jul 26, 2026-6pm EDT Aug 1, 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