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.

Partly Cloudy

61°F

16°C

Humidity 75%
Wind Speed Calm
Barometer 30.10 in (1018.8 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 6 Sep 9:56 pm EDT
Extended Forecast for

3 Miles N Lewbeach NY

  • Tonight

    Tonight: Mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear

  • Labor Day

    Labor Day: Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 70. Calm wind becoming north 5 to 7 mph in the morning.

    High: 70 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog between 3am and 5am. Otherwise, partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 73. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 73 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 20%.

    High: 75 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely after 8pm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.

    Low: 61 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 72. Chance of precipitation is 50%.

    High: 72 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 45. Calm wind.
Labor Day
Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 70. Calm wind becoming north 5 to 7 mph in the morning.
Monday Night
Patchy fog between 3am and 5am. Otherwise, partly cloudy, with a low around 48. Calm wind.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 73. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 55. Calm wind.
Wednesday
A slight chance of showers after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 20%.
Wednesday Night
Showers likely after 8pm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Thursday
A chance of showers. Mostly cloudy, with a high near 72. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Partly sunny, with a high near 73.
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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:
6:11 pm EDT Sep 6, 2026
Forecast Valid:
10pm EDT Sep 6, 2026-6pm EDT Sep 13, 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