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.

Fog/Mist

46°F

8°C

Humidity 100%
Wind Speed Calm
Barometer 29.75 in (1008.1 mb)
Dewpoint 46°F (8°C)
Visibility 1.00 mi
Last update 20 Mar 10:56 pm EDT
Extended Forecast for

3 Miles N Lewbeach NY

  • Tonight

    Tonight: A chance of showers, mainly before 1am. Patchy fog between 11pm and 2am. Otherwise, mostly cloudy, with a low around 30. Northwest wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 30 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 44. North wind 6 to 8 mph.

    High: 44 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A slight chance of rain and snow showers after 2am. Increasing clouds, with a low around 33. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 55. South wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain likely before 2am, then a chance of showers after 2am. Cloudy, with a low around 31. North wind around 6 mph. Chance of precipitation is 70%.

    Low: 31 °F

    Rain Likely

  • Monday

    Monday: A chance of rain and snow showers before 2pm. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.

    High: 39 °F

    Chance
    Rain/Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow showers after 2am. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Tonight
A chance of showers, mainly before 1am. Patchy fog between 11pm and 2am. Otherwise, mostly cloudy, with a low around 30. Northwest wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 44. North wind 6 to 8 mph.
Saturday Night
A slight chance of rain and snow showers after 2am. Increasing clouds, with a low around 33. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 20%.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 55. South wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely before 2am, then a chance of showers after 2am. Cloudy, with a low around 31. North wind around 6 mph. Chance of precipitation is 70%.
Monday
A chance of rain and snow showers before 2pm. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
A chance of snow showers after 2am. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.
Wednesday
A chance of snow showers before 2pm. Partly sunny, with a high near 38. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 20.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
Rain and snow showers likely. Mostly cloudy, with a low around 26. Chance of precipitation is 70%.
Friday
A chance of snow showers. Partly sunny, with a high near 37. 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:
7:40 pm EDT Mar 20, 2026
Forecast Valid:
10pm EDT Mar 20, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation