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.

Mostly Cloudy

72°F

22°C

Humidity 59%
Wind Speed W 6 mph
Barometer 29.74 in (1006.8 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 16 Apr 10:53 pm EDT
Extended Forecast for

Mongaup NY

  • Tonight

    Tonight: A slight chance of showers before 2am, then a slight chance of showers after 3am. Mostly cloudy, with a low around 59. Light northwest wind. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly between 2pm and 4pm. Mostly sunny, with a high near 75. Northwest wind around 6 mph. Chance of precipitation is 30%.

    High: 75 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 71. South wind 3 to 7 mph.

    High: 71 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 41. Southeast wind around 6 mph. Chance of precipitation is 60%.

    Low: 41 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers. High near 54. Chance of precipitation is 80%.

    High: 54 °F

    Showers

  • Sunday Night

    Sunday Night: Rain showers likely before 11pm, then a chance of snow showers between 11pm and 2am. Partly cloudy, with a low around 29. Chance of precipitation is 60%.

    Low: 29 °F

    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers before 2am, then a slight chance of showers after 3am. Mostly cloudy, with a low around 59. Light northwest wind. Chance of precipitation is 20%.
Friday
A chance of showers, mainly between 2pm and 4pm. Mostly sunny, with a high near 75. Northwest wind around 6 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 53. Calm wind.
Saturday
Partly sunny, with a high near 71. South wind 3 to 7 mph.
Saturday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 41. Southeast wind around 6 mph. Chance of precipitation is 60%.
Sunday
Showers. High near 54. Chance of precipitation is 80%.
Sunday Night
Rain showers likely before 11pm, then a chance of snow showers between 11pm and 2am. Partly cloudy, with a low around 29. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 43.
Monday Night
Mostly clear, with a low around 24.
Tuesday
Sunny, with a high near 54.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 62.
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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:
7:13 pm EDT Apr 16, 2026
Forecast Valid:
11pm EDT Apr 16, 2026-6pm EDT Apr 23, 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