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

2°C

36°F

Humidity 82%
Wind Speed Calm
Barometer 1015.1 mb (29.97 in)
Dewpoint -1°C (31°F)
Visibility 16 km
Last update 9 Mar 1:53 am EDT
Extended Forecast for

Sussex NJ

  • Overnight

    Overnight: Mostly clear, with a low around 3. Southwest wind around 10 km/h.

    Low: 3 °C

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 20. Southwest wind 10 to 20 km/h.

    High: 20 °C

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 5. Southwest wind 5 to 15 km/h.

    Low: 5 °C

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 23. Calm wind becoming southwest 5 to 10 km/h in the afternoon.

    High: 23 °C

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 9. Calm wind.

    Low: 9 °C

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 22. Chance of precipitation is 40%.

    High: 22 °C

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 10. Chance of precipitation is 70%.

    Low: 10 °C

    Showers
    Likely

  • Thursday

    Thursday: Rain showers likely before 2pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 12. Chance of precipitation is 60%.

    High: 12 °C

    Showers
    Likely then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow showers before 8pm. Partly cloudy, with a low around -3. Chance of precipitation is 30%.

    Low: -3 °C

    Chance
    Rain/Snow
    then Partly
    Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 3. Southwest wind around 10 km/h.
Monday
Sunny, with a high near 20. Southwest wind 10 to 20 km/h.
Monday Night
Mostly clear, with a low around 5. Southwest wind 5 to 15 km/h.
Tuesday
Sunny, with a high near 23. Calm wind becoming southwest 5 to 10 km/h in the afternoon.
Tuesday Night
Partly cloudy, with a low around 9. Calm wind.
Wednesday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 22. Chance of precipitation is 40%.
Wednesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 10. Chance of precipitation is 70%.
Thursday
Rain showers likely before 2pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 12. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow showers before 8pm. Partly cloudy, with a low around -3. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 8.
Friday Night
A chance of rain. Mostly cloudy, with a low around 1. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 9.
Saturday Night
Mostly cloudy, with a low around -2.
Sunday
A chance of rain and snow. Cloudy, with a high near 9. 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 m)
Last Update:
1:23 am EDT Mar 9, 2026
Forecast Valid:
2am EDT Mar 9, 2026-6pm EDT Mar 15, 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