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

37°F

3°C

Humidity 26%
Wind Speed SW 8 mph
Barometer 30.32 in (1027.1 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 18 Mar 5:53 pm EDT
Extended Forecast for

Sussex Airport NJ

  • Tonight

    Tonight: Partly cloudy, with a low around 23. South wind around 5 mph becoming calm in the evening.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 45. Light south wind increasing to 5 to 10 mph in the morning.

    High: 45 °F

    Mostly Cloudy

  • Thursday Night

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

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of rain after 2pm. Partly sunny, with a high near 56. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 56 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly after 8pm. Mostly cloudy, with a low around 40. South wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain Likely

  • Saturday

    Saturday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain after 2pm. Partly sunny, with a high near 63. Chance of precipitation is 30%.

    High: 63 °F

    Partly Sunny
    then Chance
    Rain

  • Sunday Night

    Sunday Night: A chance of rain and snow before 2am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.

    Low: 32 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 23. South wind around 5 mph becoming calm in the evening.
Thursday
Mostly cloudy, with a high near 45. Light south wind increasing to 5 to 10 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 30. Calm wind.
Friday
A slight chance of rain after 2pm. Partly sunny, with a high near 56. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Rain likely, mainly after 8pm. Mostly cloudy, with a low around 40. South wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Partly sunny, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
A chance of rain after 2pm. Partly sunny, with a high near 63. Chance of precipitation is 30%.
Sunday Night
A chance of rain and snow before 2am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 47.
Monday Night
Mostly clear, with a low around 25.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Partly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sussex Airport NJ
 41.21°N 74.62°W (Elev. 407 ft)
Last Update:
4:09 pm EDT Mar 18, 2026
Forecast Valid:
6pm EDT Mar 18, 2026-6pm EDT Mar 25, 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