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

78°F

26°C

Humidity 40%
Wind Speed S 14 G 30 mph
Barometer 29.87 in (1011.2 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 31 Mar 3:53 pm EDT
Extended Forecast for

Sussex NJ

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms. Partly sunny, with a high near 77. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 3am, then a chance of showers between 3am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 62. Southwest wind around 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 70. Southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers, mainly before 2am. Low around 44. Northeast wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Showers

  • Thursday

    Thursday: A chance of showers. Cloudy, with a high near 47. East wind 5 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers before 2am. Cloudy, with a low around 41. Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 72.

    High: 72 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Mostly Sunny
    then Chance
    Rain

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms. Partly sunny, with a high near 77. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms before 3am, then a chance of showers between 3am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 62. Southwest wind around 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 70. Southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers, mainly before 2am. Low around 44. Northeast wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A chance of showers. Cloudy, with a high near 47. East wind 5 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A slight chance of showers before 2am. Cloudy, with a low around 41. Chance of precipitation is 20%.
Friday
Mostly cloudy, with a high near 72.
Friday Night
Mostly cloudy, with a low around 55.
Saturday
A chance of rain after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
Saturday Night
A chance of rain before 8pm, then a chance of showers after 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
Sunday
Showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 32.
Tuesday
Mostly sunny, with a high near 56.
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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 pm EDT Mar 31, 2026
Forecast Valid:
4pm EDT Mar 31, 2026-6pm EDT Apr 7, 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