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.

A Few Clouds

44°F

7°C

Humidity 83%
Wind Speed Calm
Barometer 29.93 in (1013.2 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 11 Mar 6:53 am EDT
Extended Forecast for

Sussex NJ

  • Today

    Today: A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 76. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 3am, then showers likely and possibly a thunderstorm after 5am. Low around 46. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Showers

  • Thursday

    Thursday: Rain showers before 11am, then a chance of snow showers between 11am and 2pm. Temperature falling to around 43 by 2pm. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 51 °F⇓

    Rain/Snow
    then Chance
    Snow Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming clear, with a low around 27. West wind 5 to 10 mph.

    Low: 27 °F

    Decreasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 47. South wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 47 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of showers before 2am. Partly cloudy, with a low around 34. Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy, with a high near 50.

    High: 50 °F

    Cloudy

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 76. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms, mainly before 3am, then showers likely and possibly a thunderstorm after 5am. Low around 46. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Rain showers before 11am, then a chance of snow showers between 11am and 2pm. Temperature falling to around 43 by 2pm. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Mostly cloudy, then gradually becoming clear, with a low around 27. West wind 5 to 10 mph.
Friday
Partly sunny, with a high near 47. South wind 5 to 10 mph, with gusts as high as 25 mph.
Friday Night
A slight chance of showers before 2am. Partly cloudy, with a low around 34. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 48.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Cloudy, with a high near 50.
Sunday Night
Rain, mainly after 2am. Low around 41. Chance of precipitation is 80%.
Monday
Rain. High near 60. Chance of precipitation is 80%.
Monday Night
Rain and snow likely. Partly cloudy, with a low around 26. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 37.
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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:
4:09 am EDT Mar 11, 2026
Forecast Valid:
7am EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation