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

71°F

22°C

Humidity 42%
Wind Speed W 14 G 17 mph
Barometer 29.82 in (1009.2 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 20 Jun 5:56 pm EDT
Extended Forecast for

3 Miles NNW Lewbeach NY

  • Tonight

    Tonight: Mostly clear, with a low around 49. Northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly between 2pm and 3pm. Mostly sunny, with a high near 69. Calm wind becoming northwest 5 to 8 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50. Light and variable wind.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 65. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 65 °F

    Showers
    Likely then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 54. East wind 3 to 6 mph. Chance of precipitation is 90%.

    Low: 54 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 49. Northwest wind 5 to 9 mph becoming calm in the evening.
Sunday
A chance of showers and thunderstorms, mainly between 2pm and 3pm. Mostly sunny, with a high near 69. Calm wind becoming northwest 5 to 8 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Mostly cloudy, with a low around 50. Light and variable wind.
Monday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 65. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Monday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 54. East wind 3 to 6 mph. Chance of precipitation is 90%.
Tuesday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 72. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Saturday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Lewbeach NY
 42.04°N 74.8°W (Elev. 2274 ft)
Last Update:
2:44 pm EDT Jun 20, 2026
Forecast Valid:
6pm EDT Jun 20, 2026-6pm EDT Jun 27, 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