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.

Fog/Mist

34°F

1°C

Humidity 85%
Wind Speed Calm
Barometer 29.65 in (1004.2 mb)
Dewpoint 30°F (-1°C)
Visibility 1.25 mi
Last update 7 Jan 2:53 am EST
Extended Forecast for

Sussex NJ

Dense Fog Advisory until January 7, 08:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until January 7, 08:00am

    NOW until 8:00am Wed

    Dense Fog Advisory

  • Overnight

    Low: 33 °F

    Chance Rain
    and Fog

  • Wednesday

    Wednesday: A chance of rain, mainly before 9am. Widespread fog, mainly before 7am. Otherwise, mostly cloudy, with a high near 46. West wind 5 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Chance Rain
    and Fog then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30. Northwest wind 5 to 10 mph.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 48. Northwest wind around 5 mph becoming calm in the afternoon.

    High: 48 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely. Cloudy, with a high near 50. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers. Cloudy, with a low around 39. Chance of precipitation is 40%.

    Low: 39 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers. High near 48. Chance of precipitation is 80%.

    High: 48 °F

    Showers

Detailed Forecast

Overnight
A chance of rain. Widespread fog. Otherwise, cloudy, with a low around 33. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of rain, mainly before 9am. Widespread fog, mainly before 7am. Otherwise, mostly cloudy, with a high near 46. West wind 5 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 30. Northwest wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 48. Northwest wind around 5 mph becoming calm in the afternoon.
Thursday Night
Mostly cloudy, with a low around 30. Calm wind.
Friday
Showers likely. Cloudy, with a high near 50. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of showers. Cloudy, with a low around 39. Chance of precipitation is 40%.
Saturday
Showers. High near 48. Chance of precipitation is 80%.
Saturday Night
Showers likely, mainly before 1am. Cloudy, with a low around 35. Chance of precipitation is 60%.
Sunday
Partly sunny, with a high near 43.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 43.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sussex NJ
 41.21°N 74.62°W (Elev. 407 ft)
Last Update:
12:23 am EST Jan 7, 2026
Forecast Valid:
3am EST Jan 7, 2026-6pm EST Jan 13, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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