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

Sussex, Sussex Airport (KFWN)

Lat: 41.2°NLon: 74.63°WElev: 410ft.

Fair

39°F

4°C

Humidity 53%
Wind Speed Calm
Barometer 29.65 in (1004.2 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 14 Jan 2:53 am EST
Extended Forecast for

Sussex NJ

  • Overnight

    Overnight: Cloudy, with a low around 35. Southwest wind around 5 mph.

    Low: 35 °F

    Cloudy

  • Wednesday

    Wednesday: A chance of rain, mainly after 11am. Cloudy, with a high near 47. Southwest wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 2am, then rain and snow likely. Cloudy, with a low around 27. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of snow showers before 1pm. Mostly cloudy, with a high near 35. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 15. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 15 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Friday Night

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

    Low: 22 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow after 1pm. Partly sunny, with a high near 39. Chance of precipitation is 30%.

    High: 39 °F

    Partly Sunny
    then Chance
    Snow

  • Saturday Night

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

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 35. Southwest wind around 5 mph.
Wednesday
A chance of rain, mainly after 11am. Cloudy, with a high near 47. Southwest wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely before 2am, then rain and snow likely. Cloudy, with a low around 27. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow showers before 1pm. Mostly cloudy, with a high near 35. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly cloudy, with a low around 15. West wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 31.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
A chance of snow after 1pm. Partly sunny, with a high near 39. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 15.
M.L.King Day
Mostly sunny, with a high near 29.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Mostly sunny, with a high near 25.
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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:
1:25 am EST Jan 14, 2026
Forecast Valid:
3am EST Jan 14, 2026-6pm EST Jan 20, 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