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 with Haze

30°F

-1°C

Humidity 82%
Wind Speed Calm
Barometer 30.05 in (1018.1 mb)
Dewpoint 25°F (-4°C)
Visibility 3.00 mi
Last update 18 Jan 1:53 am EST
Extended Forecast for

2 Miles WNW Hewitt NJ

Winter Weather Advisory January 18, 07:00am until January 19, 12:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: A 50 percent chance of snow after 4am. Areas of freezing fog. Cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Chance Snow
    and Areas
    Freezing Fog

  • Sunday

    Sunday: Snow. High near 31. Light and variable wind. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 31 °F

    Snow then
    Snow Likely

  • Sunday Night

    Sunday Night: 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. 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.

    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

Overnight
A 50 percent chance of snow after 4am. Areas of freezing fog. Cloudy, with a low around 27. Calm wind.
Sunday
Snow. High near 31. Light and variable wind. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
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. West wind 9 to 11 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny and cold, with a high near 18.
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:
1:04 am EST Jan 18, 2026
Forecast Valid:
2am 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