National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sussex, Sussex Airport (KFWN)

Lat: 41.2°NLon: 74.63°WElev: 410ft.

Overcast

30°F

-1°C

Humidity 82%
Wind Speed Calm
Barometer 30.05 in (1018.1 mb)
Dewpoint 25°F (-4°C)
Visibility 9.00 mi
Last update 17 Jan 5:53 pm EST
Extended Forecast for

3 Miles NW Sussex Airport NJ

  • Tonight

    Tonight: A slight chance of snow after 4am. Increasing clouds, with a low around 26. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A chance of snow, mainly before 5pm. Cloudy, with a high near 31. Calm wind becoming northwest around 5 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Cloudy, then gradually becoming partly cloudy, with a low around 18. Northwest wind around 5 mph.

    Low: 18 °F

    Decreasing
    Clouds

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 29. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 29 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 11. West wind around 10 mph, with gusts as high as 25 mph.

    Low: 11 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 19.

    High: 19 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 6.

    Low: 6 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of snow after 4am. Increasing clouds, with a low around 26. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Sunday
A chance of snow, mainly before 5pm. Cloudy, with a high near 31. Calm wind becoming northwest around 5 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Cloudy, then gradually becoming partly cloudy, with a low around 18. Northwest wind around 5 mph.
M.L.King Day
Mostly sunny, with a high near 29. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 11. West wind around 10 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 19.
Tuesday Night
Mostly clear, with a low around 6.
Wednesday
Mostly sunny, with a high near 28.
Wednesday Night
Mostly cloudy, with a low around 21.
Thursday
Partly sunny, with a high near 33.
Thursday Night
Partly cloudy, with a low around 12.
Friday
Mostly sunny, with a high near 27.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
Mostly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Sussex Airport NJ
 41.23°N 74.67°W (Elev. 801 ft)
Last Update:
4:12 pm EST Jan 17, 2026
Forecast Valid:
6pm EST Jan 17, 2026-6pm EST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation