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.

Overcast

43°F

6°C

Humidity 65%
Wind Speed NW 6 mph
Barometer 29.89 in (1012.4 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 7 Jan 5:53 pm EST
Extended Forecast for

Mongaup NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. Northwest wind 3 to 6 mph.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 44. Light northwest wind.

    High: 44 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 28. Calm wind.

    Low: 28 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 47. South wind 3 to 8 mph. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Cloudy, with a low around 39. Light and variable wind. Chance of precipitation is 40%.

    Low: 39 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers. High near 49. Chance of precipitation is 90%.

    High: 49 °F

    Showers
    Likely then
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 1am. Cloudy, with a low around 35. Chance of precipitation is 70%.

    Low: 35 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 32. Northwest wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 44. Light northwest wind.
Thursday Night
Increasing clouds, with a low around 28. Calm wind.
Friday
A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 47. South wind 3 to 8 mph. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers. Cloudy, with a low around 39. Light and variable wind. Chance of precipitation is 40%.
Saturday
Showers. High near 49. Chance of precipitation is 90%.
Saturday Night
Showers likely, mainly before 1am. Cloudy, with a low around 35. Chance of precipitation is 70%.
Sunday
Partly sunny, with a high near 44.
Sunday Night
Mostly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 34.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
Mostly cloudy, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mongaup NY
 41.42°N 74.75°W (Elev. 794 ft)
Last Update:
5:48 pm EST Jan 7, 2026
Forecast Valid:
6pm EST Jan 7, 2026-6pm EST Jan 14, 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