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.

Partly Cloudy

55°F

13°C

Humidity 49%
Wind Speed N 6 mph
Barometer 29.79 in (1008.7 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 30 Apr 7:53 pm EDT
Extended Forecast for

Mongaup NY

  • Tonight

    Tonight: Partly cloudy, with a low around 37. Northwest wind around 6 mph.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 61. West wind around 6 mph.

    High: 61 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 39. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Showers
    Likely

  • Saturday

    Saturday: A slight chance of showers before 8am, then a slight chance of showers after 2pm. Mostly cloudy, with a high near 57. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 57 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 35. Light northwest wind.

    Low: 35 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 47. Chance of precipitation is 30%.

    Low: 47 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 37. Northwest wind around 6 mph.
Friday
Increasing clouds, with a high near 61. West wind around 6 mph.
Friday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 39. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A slight chance of showers before 8am, then a slight chance of showers after 2pm. Mostly cloudy, with a high near 57. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 35. Light northwest wind.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 35.
Monday
Mostly sunny, with a high near 63.
Monday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 47. Chance of precipitation is 30%.
Tuesday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 73.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 53.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 69.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Thursday
Showers likely. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
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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:
7:56 pm EDT Apr 30, 2026
Forecast Valid:
8pm EDT Apr 30, 2026-6pm EDT May 7, 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