National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Light Rain Fog

33°F

1°C

Humidity 100%
Wind Speed E 5 mph
Barometer 30.31 in (1028.0 mb)
Dewpoint 33°F (1°C)
Visibility 0.50 mi
Wind Chill28°F (-2°C)
Last update 7 Mar 12:56 am EST
Extended Forecast for

Upper Mongaup NY

  • Overnight

    Overnight: A chance of showers, mainly between 3am and 4am. Areas of fog. Otherwise, mostly cloudy, with a low around 32. Light southeast wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Chance
    Showers and
    Areas Fog

  • Saturday

    Saturday: Areas of fog before 1pm. Otherwise, mostly cloudy, with a high near 48. South wind 3 to 7 mph.

    High: 48 °F

    Areas Fog

  • Saturday Night

    Saturday Night: Rain before 10pm, then rain and possibly a thunderstorm between 10pm and 1am, then rain likely after 1am. Low around 45. South wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Rain

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 57. West wind 7 to 9 mph, with gusts as high as 20 mph.

    High: 57 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34. West wind 3 to 5 mph.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain after 1am. Partly cloudy, with a low around 46. Chance of precipitation is 40%.

    Low: 46 °F

    Partly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
A chance of showers, mainly between 3am and 4am. Areas of fog. Otherwise, mostly cloudy, with a low around 32. Light southeast wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Areas of fog before 1pm. Otherwise, mostly cloudy, with a high near 48. South wind 3 to 7 mph.
Saturday Night
Rain before 10pm, then rain and possibly a thunderstorm between 10pm and 1am, then rain likely after 1am. Low around 45. South wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 57. West wind 7 to 9 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 34. West wind 3 to 5 mph.
Monday
Sunny, with a high near 62.
Monday Night
Clear, with a low around 40.
Tuesday
Sunny, with a high near 66.
Tuesday Night
A chance of rain after 1am. Partly cloudy, with a low around 46. Chance of precipitation is 40%.
Wednesday
Rain likely. Cloudy, with a high near 62. Chance of precipitation is 70%.
Wednesday Night
Rain likely. Cloudy, with a low around 34. Chance of precipitation is 60%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 44. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
Mostly cloudy, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Upper Mongaup NY
 41.47°N 74.8°W (Elev. 1224 ft)
Last Update:
11:48 pm EST Mar 6, 2026
Forecast Valid:
1am EST Mar 7, 2026-6pm EDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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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