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

71°F

22°C

Humidity 20%
Wind Speed SW 8 G 23 mph
Barometer 29.96 in (1014.4 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 9 Mar 3:53 pm EDT
Extended Forecast for

Sussex NJ

  • Tonight

    Tonight: Clear, with a low around 42. Southwest wind around 5 mph becoming calm.

    Low: 42 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: A chance of showers after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 72. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Patchy Fog
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, with thunderstorms also possible after 11pm. Mostly cloudy, with a low around 45. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of rain before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 55. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of snow before 8pm. Partly cloudy, with a low around 26. Chance of precipitation is 30%.

    Low: 26 °F

    Chance Snow
    then Mostly
    Clear

  • Friday

    Friday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain between 8pm and 2am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.

    Low: 32 °F

    Chance Rain

Detailed Forecast

Tonight
Clear, with a low around 42. Southwest wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 72. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 49. Calm wind.
Wednesday
A chance of showers after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 72. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers likely, with thunderstorms also possible after 11pm. Mostly cloudy, with a low around 45. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of rain before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 55. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A chance of snow before 8pm. Partly cloudy, with a low around 26. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 44.
Friday Night
A chance of rain between 8pm and 2am. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 54. Chance of precipitation is 30%.
Sunday Night
Rain likely. Cloudy, with a low around 36. Chance of precipitation is 70%.
Monday
Rain likely. Mostly cloudy, with a high near 50. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sussex NJ
 41.2°N 74.59°W (Elev. 400 ft)
Last Update:
4:08 pm EDT Mar 9, 2026
Forecast Valid:
4pm EDT Mar 9, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation