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

80°F

27°C

Humidity 26%
Wind Speed SW 10 G 17 mph
Barometer 29.94 in (1013.7 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 10 Mar 3:53 pm EDT
Extended Forecast for

Sussex NJ

  • Tonight

    Tonight: Mostly clear, with a low around 49. Southwest wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, mainly after 2pm. Partly sunny, with a high near 73. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 73 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 49. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of rain showers before 2pm, then a slight chance of snow showers. Mostly cloudy, with a high near 53. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 53 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28. West wind around 5 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain before 2am. Partly cloudy, with a low around 34. Chance of precipitation is 30%.

    Low: 34 °F

    Chance Rain

  • Saturday

    Saturday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 49. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 73. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Showers likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 49. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of rain showers before 2pm, then a slight chance of snow showers. Mostly cloudy, with a high near 53. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday Night
Mostly clear, with a low around 28. West wind around 5 mph.
Friday
Partly sunny, with a high near 48.
Friday Night
A chance of rain before 2am. Partly cloudy, with a low around 34. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 49.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
Cloudy, with a high near 53.
Sunday Night
Rain. Low around 43. Chance of precipitation is 80%.
Monday
Rain. High near 59. Chance of precipitation is 80%.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 36.
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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 pm EDT Mar 10, 2026
Forecast Valid:
4pm EDT Mar 10, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation