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.

Light Snow

35°F

2°C

Humidity 64%
Wind Speed N 12 G 24 mph
Barometer 29.59 in (1002.4 mb)
Dewpoint 24°F (-4°C)
Visibility 4.00 mi
Wind Chill27°F (-3°C)
Last update 23 Feb 12:53 pm EST
Extended Forecast for

Mongaup NY

  • This Afternoon

    This Afternoon: A chance of snow showers before 4pm. Mostly cloudy, with a high near 34. Northwest wind around 14 mph, with gusts as high as 33 mph. Chance of precipitation is 30%. Total daytime snow accumulation of around 2 inches.

    High: 34 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 14. Northwest wind 10 to 14 mph, with gusts as high as 34 mph.

    Low: 14 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 26. Northwest wind 7 to 10 mph, with gusts as high as 23 mph.

    High: 26 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow after 1am. Low around 12. Light and variable wind. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 12 °F

    Partly Cloudy
    then Snow

  • Wednesday

    Wednesday: Snow likely, mixing with rain after 10am, then gradually ending. Mostly cloudy, with a high near 40. Southwest wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 40 °F

    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of snow after 1pm. Partly sunny, with a high near 37. Chance of precipitation is 50%.

    High: 37 °F

    Partly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.

    Low: 21 °F

    Snow Likely

  • Friday

    Friday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of snow showers before 4pm. Mostly cloudy, with a high near 34. Northwest wind around 14 mph, with gusts as high as 33 mph. Chance of precipitation is 30%. Total daytime snow accumulation of around 2 inches.
Tonight
Mostly cloudy, with a low around 14. Northwest wind 10 to 14 mph, with gusts as high as 34 mph.
Tuesday
Mostly sunny, with a high near 26. Northwest wind 7 to 10 mph, with gusts as high as 23 mph.
Tuesday Night
Snow after 1am. Low around 12. Light and variable wind. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Wednesday
Snow likely, mixing with rain after 10am, then gradually ending. Mostly cloudy, with a high near 40. Southwest wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 22.
Thursday
A chance of snow after 1pm. Partly sunny, with a high near 37. Chance of precipitation is 50%.
Thursday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 39.
Friday Night
Mostly clear, with a low around 21.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 37.
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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:
12:23 pm EST Feb 23, 2026
Forecast Valid:
1pm EST Feb 23, 2026-6pm EST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation