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

33°F

1°C

Humidity 82%
Wind Speed Calm
Barometer 30.26 in (1025.0 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 4 Mar 8:53 pm EST
Extended Forecast for

Sussex NJ

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Rain. Patchy fog between 7am and 9am. High near 44. Calm wind becoming northeast around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 44 °F

    Rain and
    Patchy Fog

  • Thursday Night

    Thursday Night: Rain. Low around 33. Northeast wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 33 °F

    Rain

  • Friday

    Friday: A slight chance of showers before 1pm. Cloudy, with a high near 42. Northeast wind around 5 mph becoming calm. Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers. Cloudy, with a low around 33. Calm wind. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers after 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 20%.

    High: 58 °F

    Cloudy then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely before 1am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 34. Calm wind.
Thursday
Rain. Patchy fog between 7am and 9am. High near 44. Calm wind becoming northeast around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 33. Northeast wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Friday
A slight chance of showers before 1pm. Cloudy, with a high near 42. Northeast wind around 5 mph becoming calm. Chance of precipitation is 20%.
Friday Night
A slight chance of showers. Cloudy, with a low around 33. Calm wind. Chance of precipitation is 20%.
Saturday
A slight chance of showers after 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 20%.
Saturday Night
Showers likely before 1am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 63.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 52. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sussex NJ
 41.21°N 74.62°W (Elev. 407 ft)
Last Update:
4:10 pm EST Mar 4, 2026
Forecast Valid:
9pm EST Mar 4, 2026-6pm EDT Mar 11, 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