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.

Light Snow Fog/Mist

33°F

1°C

Humidity 85%
Wind Speed Calm
Barometer 30.00 in (1016.2 mb)
Dewpoint 29°F (-2°C)
Visibility 1.00 mi
Last update 18 Jan 11:53 am EST
Extended Forecast for

3 Miles NW Sussex Airport NJ

Winter Weather Advisory until January 18, 08:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until January 18, 08:00pm

    NOW until 8:00pm Sun

    Winter Weather Advisory

  • This Afternoon

    High: 32 °F

    Chance Snow

  • Tonight

    Tonight: A chance of snow, mainly before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 16. Northwest wind around 5 mph. Chance of precipitation is 30%. New snow accumulation of less than one inch possible.

    Low: 16 °F

    Chance Snow
    then Partly
    Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 28. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 28 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 8. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 8 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 19. West wind around 10 mph, with gusts as high as 20 mph.

    High: 19 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 4.

    Low: 4 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A chance of snow. Cloudy, with a high near 32. Northwest wind around 5 mph becoming calm. Chance of precipitation is 50%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
A chance of snow, mainly before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 16. Northwest wind around 5 mph. Chance of precipitation is 30%. New snow accumulation of less than one inch possible.
M.L.King Day
Mostly sunny, with a high near 28. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 8. West wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 19. West wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 4.
Wednesday
Mostly sunny, with a high near 26.
Wednesday Night
Mostly cloudy, with a low around 20.
Thursday
Mostly 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 18.
Saturday
A chance of snow. Partly sunny, with a high near 30. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Sussex Airport NJ
 41.23°N 74.67°W (Elev. 801 ft)
Last Update:
4:11 am EST Jan 18, 2026
Forecast Valid:
12pm EST Jan 18, 2026-6pm EST Jan 24, 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