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

Sussex, Sussex Airport (KFWN)

Lat: 41.2°NLon: 74.63°WElev: 410ft.

Fair

47°F

8°C

Humidity 61%
Wind Speed Calm
Barometer 29.92 in (1013.3 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 10 Nov 10:53 pm EST
Extended Forecast for

Mongaup NY

  • Tonight

    Tonight: Mostly clear, with a low around 36. Northwest wind 3 to 6 mph.

    Low: 36 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Increasing clouds, with a high near 59. West wind around 5 mph becoming calm in the afternoon.

    High: 59 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A slight chance of showers between midnight and 1am, then rain likely after 1am. Cloudy, with a low around 38. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Cloudy then
    Rain Likely

  • Thursday

    Thursday: Rain. High near 50. East wind 3 to 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely. Cloudy, with a low around 31. North wind 3 to 7 mph. Chance of precipitation is 70%.

    Low: 31 °F

    Rain Likely

  • Friday

    Friday: Rain and snow, becoming all rain after 1pm. High near 43. Chance of precipitation is 80%.

    High: 43 °F

    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain before 10pm, then a chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.

    Low: 25 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 36. Northwest wind 3 to 6 mph.
Veterans Day
Increasing clouds, with a high near 59. West wind around 5 mph becoming calm in the afternoon.
Wednesday Night
A slight chance of showers between midnight and 1am, then rain likely after 1am. Cloudy, with a low around 38. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain. High near 50. East wind 3 to 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely. Cloudy, with a low around 31. North wind 3 to 7 mph. Chance of precipitation is 70%.
Friday
Rain and snow, becoming all rain after 1pm. High near 43. Chance of precipitation is 80%.
Friday Night
A chance of rain before 10pm, then a chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.
Saturday
Mostly cloudy, with a high near 43.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 51.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mongaup NY
 41.42°N 74.75°W (Elev. 794 ft)
Last Update:
1:30 pm EST Nov 10, 2026
Forecast Valid:
11pm EST Nov 10, 2026-6pm EST Nov 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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