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

31°F

-1°C

Humidity 79%
Wind Speed Calm
Barometer 30.52 in (1033.6 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 12 Apr 6:53 am EDT
Extended Forecast for

Sussex NJ

  • Today

    Today: Sunny, with a high near 61. Light south wind increasing to 5 to 10 mph in the afternoon.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers between 9pm and 11pm. Mostly cloudy, with a low around 46. South wind around 5 mph. Chance of precipitation is 20%.

    Low: 46 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A chance of showers after 2pm. Partly sunny, with a high near 74. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 74 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 8pm. Partly cloudy, with a low around 55. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 30%.

    High: 85 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 61. Light south wind increasing to 5 to 10 mph in the afternoon.
Tonight
A slight chance of showers between 9pm and 11pm. Mostly cloudy, with a low around 46. South wind around 5 mph. Chance of precipitation is 20%.
Monday
A chance of showers after 2pm. Partly sunny, with a high near 74. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Monday Night
A chance of showers before 8pm. Partly cloudy, with a low around 55. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 83. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 20%.
Wednesday
A chance of showers after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 85.
Thursday Night
Mostly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 79.
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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:
4:11 am EDT Apr 12, 2026
Forecast Valid:
7am EDT Apr 12, 2026-6pm EDT Apr 18, 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