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

27°F

-3°C

Humidity 39%
Wind Speed W 6 mph
Barometer 29.73 in (1007.3 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 30 Dec 8:53 pm EST
Extended Forecast for

Sussex NJ

  • Tonight

    Tonight: Mostly cloudy, with a low around 20. Southwest wind around 10 mph, with gusts as high as 25 mph.

    Low: 20 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 32. Southwest wind 5 to 10 mph.

    High: 32 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 19. Southwest wind around 10 mph becoming west after midnight. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 19 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • New Year's Day

    New Year's Day: Mostly cloudy, then gradually becoming sunny, with a high near 27. Northwest wind 10 to 15 mph.

    High: 27 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 11. West wind around 5 mph becoming calm.

    Low: 11 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 20. Southwest wind around 10 mph, with gusts as high as 25 mph.
Wednesday
Mostly cloudy, with a high near 32. Southwest wind 5 to 10 mph.
Wednesday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 19. Southwest wind around 10 mph becoming west after midnight. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
New Year's Day
Mostly cloudy, then gradually becoming sunny, with a high near 27. Northwest wind 10 to 15 mph.
Thursday Night
Mostly clear, with a low around 11. West wind around 5 mph becoming calm.
Friday
Partly sunny, with a high near 29.
Friday Night
Partly cloudy, with a low around 16.
Saturday
Mostly sunny, with a high near 31.
Saturday Night
Partly cloudy, with a low around 13.
Sunday
Mostly sunny, with a high near 31.
Sunday Night
Mostly cloudy, with a low around 17.
Monday
A chance of snow. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sussex NJ
 41.21°N 74.62°W (Elev. 407 ft)
Last Update:
4:12 pm EST Dec 30, 2025
Forecast Valid:
8pm EST Dec 30, 2025-6pm EST Jan 6, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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