National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sussex, Sussex Airport (KFWN)

Lat: 41.2°NLon: 74.63°WElev: 410ft.

Overcast with Haze

31°F

-1°C

Humidity 79%
Wind Speed Calm
Barometer 29.97 in (1015.2 mb)
Dewpoint 25°F (-4°C)
Visibility 3.00 mi
Last update 18 Feb 4:53 am EST
Extended Forecast for

Sussex NJ

Dense Fog Advisory February 18, 05:01am until February 18, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory February 18, 05:01am until February 18, 10:00am

    NOW until 10:00am Wed

    Dense Fog Advisory

  • Today

    High: 42 °F

    Rain and
    Areas Dense
    Fog

  • Tonight

    Tonight: Rain, mainly before 7pm. Low around 30. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 30 °F

    Rain then
    Cloudy

  • Thursday

    Thursday: A slight chance of rain after 1pm, mixing with snow after 4pm. Cloudy, with a high near 41. Calm wind becoming east around 5 mph. Chance of precipitation is 20%.

    High: 41 °F

    Cloudy then
    Slight Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Rain and freezing rain likely, possibly mixed with snow before 4am, then rain likely, possibly mixed with snow. Cloudy, with a low around 30. Calm wind. Chance of precipitation is 60%. Little or no ice accumulation expected. Little or no snow accumulation expected.

    Low: 30 °F

    Chance Wintry
    Mix then
    Wintry Mix
    Likely

  • Friday

    Friday: Rain, possibly mixed with snow, becoming all rain after 1pm. High near 40. East wind around 5 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow before 1am, then a slight chance of rain between 1am and 4am, then a slight chance of rain and snow after 4am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Today
Rain, mainly after 10am. Areas of dense fog before 10am. High near 42. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain, mainly before 7pm. Low around 30. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A slight chance of rain after 1pm, mixing with snow after 4pm. Cloudy, with a high near 41. Calm wind becoming east around 5 mph. Chance of precipitation is 20%.
Thursday Night
Rain and freezing rain likely, possibly mixed with snow before 4am, then rain likely, possibly mixed with snow. Cloudy, with a low around 30. Calm wind. Chance of precipitation is 60%. Little or no ice accumulation expected. Little or no snow accumulation expected.
Friday
Rain, possibly mixed with snow, becoming all rain after 1pm. High near 40. East wind around 5 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday Night
A chance of rain and snow before 1am, then a slight chance of rain between 1am and 4am, then a slight chance of rain and snow after 4am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Partly sunny, with a high near 45.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
A chance of snow. Mostly cloudy, with a high near 37. Chance of precipitation is 50%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 24. Chance of precipitation is 50%.
Monday
A chance of snow. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 31.
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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:
4:13 am EST Feb 18, 2026
Forecast Valid:
5am EST Feb 18, 2026-6pm EST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation