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

54°F

12°C

Humidity 77%
Wind Speed S 6 mph
Barometer 29.93 in (1013.4 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 18 Apr 9:53 pm EDT
Extended Forecast for

Sussex NJ

Freeze Watch April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Watch

  • Tonight

    Tonight: A chance of showers, mainly after 3am. Cloudy, with a low around 46. South wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, mainly before 3pm. High near 53. Northwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers before 2pm. Mostly sunny, with a high near 50. Northwest wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 50 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Patchy frost after 11pm. Otherwise, mostly clear, with a low around 26. Northwest wind around 5 mph becoming calm in the evening.

    Low: 26 °F

    Patchy Frost

  • Tuesday

    Tuesday: Areas of frost before 10am. Otherwise, sunny, with a high near 54.

    High: 54 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers, mainly after 3am. Cloudy, with a low around 46. South wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, mainly before 3pm. High near 53. Northwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Mostly clear, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.
Monday
A slight chance of showers before 2pm. Mostly sunny, with a high near 50. Northwest wind 5 to 10 mph. Chance of precipitation is 20%.
Monday Night
Patchy frost after 11pm. Otherwise, mostly clear, with a low around 26. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Areas of frost before 10am. Otherwise, sunny, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 65.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 47.
Saturday
A chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 40%.
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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 18, 2026
Forecast Valid:
10pm EDT Apr 18, 2026-6pm EDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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