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

29°F

-2°C

Humidity 85%
Wind Speed Calm
Barometer 30.02 in (1017.0 mb)
Dewpoint 25°F (-4°C)
Visibility 1.00 mi
Last update 18 Jan 5:53 am EST
Extended Forecast for

2 Miles WNW Hewitt NJ

Winter Weather Advisory until January 19, 12:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until January 19, 12:00am

    NOW until 12:00am Mon

    Winter Weather Advisory

  • Today

    High: 31 °F

    Snow and
    Areas
    Freezing Fog
    then Snow
    Likely

  • Tonight

    Tonight: Snow likely, mainly before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 15. West wind 3 to 6 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 15 °F

    Snow Likely
    then Partly
    Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 26. Wind chill values between 10 and 15. Southwest wind 5 to 13 mph, with gusts as high as 28 mph.

    High: 26 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 9. Wind chill values between zero and 5. West wind 9 to 11 mph, with gusts as high as 25 mph.

    Low: 9 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and cold, with a high near 18. West wind 8 to 13 mph, with gusts as high as 29 mph.

    High: 18 °F

    Cold

  • Tuesday Night

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

    Low: 4 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Today
Snow. Areas of freezing fog before 7am. High near 31. Light and variable wind. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Snow likely, mainly before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 15. West wind 3 to 6 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
M.L.King Day
Mostly sunny, with a high near 26. Wind chill values between 10 and 15. Southwest wind 5 to 13 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 9. Wind chill values between zero and 5. West wind 9 to 11 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny and cold, with a high near 18. West wind 8 to 13 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly clear, with a low around 4.
Wednesday
Mostly sunny, with a high near 27.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Mostly sunny, with a high near 32.
Thursday Night
Mostly clear, with a low around 13.
Friday
Mostly sunny, with a high near 25.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Hewitt NJ
 41.18°N 74.39°W (Elev. 1178 ft)
Last Update:
4:59 am EST Jan 18, 2026
Forecast Valid:
6am EST Jan 18, 2026-6pm EST Jan 24, 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