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

41°F

5°C

Humidity 47%
Wind Speed Calm
Barometer 30.06 in (1018.4 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 14 Feb 5:53 pm EST
Extended Forecast for

Sussex NJ

  • Tonight

    Tonight: Mostly clear, with a low around 20. Calm wind.

    Low: 20 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 40. Calm wind becoming northeast around 5 mph.

    High: 40 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Snow likely, mainly before 1am. Cloudy, with a low around 25. Calm wind becoming northeast around 5 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 25 °F

    Snow Likely

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 41. Northeast wind around 5 mph becoming calm in the morning.

    High: 41 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 50%.

    High: 44 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 50%.

    Low: 34 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 20. Calm wind.
Sunday
Mostly cloudy, with a high near 40. Calm wind becoming northeast around 5 mph.
Sunday Night
Snow likely, mainly before 1am. Cloudy, with a low around 25. Calm wind becoming northeast around 5 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Washington's Birthday
Partly sunny, with a high near 41. Northeast wind around 5 mph becoming calm in the morning.
Monday Night
Mostly cloudy, with a low around 26. Calm wind.
Tuesday
Partly sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
A chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 50%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 50%.
Thursday
A chance of rain. Partly sunny, with a high near 49. Chance of precipitation is 30%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Friday
A chance of rain. Mostly cloudy, with a high near 43. Chance of precipitation is 50%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sussex NJ
 41.21°N 74.62°W (Elev. 407 ft)
Last Update:
4:17 pm EST Feb 14, 2026
Forecast Valid:
6pm EST Feb 14, 2026-6pm EST Feb 21, 2026
 
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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