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.

Fair

40°F

4°C

Humidity 68%
Wind Speed Calm
Barometer 30.09 in (1019.1 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 19 Apr 9:53 pm EDT
Extended Forecast for

Sussex NJ

Freeze Watch April 21, 12:00am until April 21, 09:00am
Freeze Warning April 19, 11:00pm until April 20, 10:00am
Click here for hazard details and duration
Freeze Watch
Freeze Warning

  • Tonight

    Tonight: Patchy frost after 2am. Otherwise, increasing clouds, with a low around 33. West wind around 5 mph becoming calm.

    Low: 33 °F

    Clear then
    Patchy Frost

  • Monday

    Monday: A chance of showers before 9am. Patchy frost before 7am. Otherwise, mostly cloudy, with a high near 50. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 50 °F

    Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy during the early evening, then becoming clear, with a low around 27. Northwest wind around 5 mph becoming calm after midnight.

    Low: 27 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 55. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 55 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 38. Calm wind becoming south around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 8am. Partly sunny, with a high near 65. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Chance
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy frost after 2am. Otherwise, increasing clouds, with a low around 33. West wind around 5 mph becoming calm.
Monday
A chance of showers before 9am. Patchy frost before 7am. Otherwise, mostly cloudy, with a high near 50. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy during the early evening, then becoming clear, with a low around 27. Northwest wind around 5 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 55. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 38. Calm wind becoming south around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers before 8am. Partly sunny, with a high near 65. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 72.
Friday Night
A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 65. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 66. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sussex NJ
 41.21°N 74.62°W (Elev. 407 ft)
Last Update:
4:11 pm EDT Apr 19, 2026
Forecast Valid:
10pm EDT Apr 19, 2026-6pm EDT Apr 26, 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