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.

Mostly Cloudy

24°F

-4°C

Humidity 62%
Wind Speed SW 6 mph
Barometer 29.96 in (1015.1 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 19 Jan 7:53 pm EST
Extended Forecast for

Sussex NJ

Cold Weather Advisory January 20, 02:00am until January 20, 10:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 9. Wind chill values as low as zero. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 9 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 20. Wind chill values as low as -2. West wind 5 to 15 mph.

    High: 20 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 5. Wind chill values as low as -2. Southwest wind around 5 mph.

    Low: 5 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 29. Wind chill values as low as -2. Light southwest wind becoming south 5 to 10 mph in the afternoon.

    High: 29 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24. Southwest wind around 5 mph.

    Low: 24 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 6.

    Low: 6 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 9. Wind chill values as low as zero. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 20. Wind chill values as low as -2. West wind 5 to 15 mph.
Tuesday Night
Mostly clear, with a low around 5. Wind chill values as low as -2. Southwest wind around 5 mph.
Wednesday
Mostly sunny, with a high near 29. Wind chill values as low as -2. Light southwest wind becoming south 5 to 10 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 24. Southwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 40.
Thursday Night
Partly cloudy, with a low around 18.
Friday
Partly sunny, with a high near 28.
Friday Night
Mostly cloudy, with a low around 6.
Saturday
Partly sunny, with a high near 15.
Saturday Night
Mostly cloudy, with a low around 4.
Sunday
A chance of snow. Partly sunny, with a high near 16. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 3.
Monday
Mostly sunny, with a high near 20.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sussex NJ
 41.2°N 74.59°W (Elev. 400 ft)
Last Update:
4:10 pm EST Jan 19, 2026
Forecast Valid:
8pm EST Jan 19, 2026-6pm EST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation