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.

Unknown Precip Fog

34°F

1°C

Humidity 89%
Wind Speed Calm
Barometer 29.89 in (1012.7 mb)
Dewpoint 31°F (-1°C)
Visibility 0.50 mi
Last update 18 Feb 8:53 am EST
Extended Forecast for

2 Miles W Hamburg NJ

Dense Fog Advisory February 18, 09:02am until February 18, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory February 18, 09:02am until February 18, 10:00am

    NOW until 10:00am Wed

    Dense Fog Advisory

  • Today

    High: 40 °F

    Rain and
    Areas Dense
    Fog

  • Tonight

    Tonight: Rain, mainly before 7pm. Patchy fog before 7pm, then patchy fog after 11pm. 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 and
    Patchy Fog
    then Patchy
    Fog

  • Thursday

    Thursday: A slight chance of rain after 1pm, mixing with snow after 4pm. Patchy fog between 8am and 10am. Otherwise, cloudy, with a high near 38. Calm wind. Chance of precipitation is 20%.

    High: 38 °F

    Patchy Fog
    then Slight
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Freezing rain likely, possibly mixed with snow, becoming all snow after 4am. Cloudy, with a low around 29. Calm wind. Chance of precipitation is 60%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Wintry
    Mix then
    Wintry Mix
    Likely

  • Friday

    Friday: Rain, possibly mixed with snow, becoming all rain after 1pm. High near 38. East wind around 5 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 38 °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 43.

    High: 43 °F

    Partly Sunny

  • Saturday Night

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

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Today
Rain after 10am. Patchy dense fog between 2pm and 3pm. High near 40. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain, mainly before 7pm. Patchy fog before 7pm, then patchy fog after 11pm. 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. Patchy fog between 8am and 10am. Otherwise, cloudy, with a high near 38. Calm wind. Chance of precipitation is 20%.
Thursday Night
Freezing rain likely, possibly mixed with snow, becoming all snow after 4am. Cloudy, with a low around 29. Calm wind. Chance of precipitation is 60%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Friday
Rain, possibly mixed with snow, becoming all rain after 1pm. High near 38. East wind around 5 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
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 43.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Snow likely, mainly after 1pm. Mostly cloudy, with a high near 33. Chance of precipitation is 60%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 50%.
Monday
A chance of snow. Mostly cloudy, with a high near 35. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Mostly sunny, with a high near 28.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Hamburg NJ
 41.16°N 74.63°W (Elev. 689 ft)
Last Update:
7:34 am EST Feb 18, 2026
Forecast Valid:
9am EST Feb 18, 2026-6pm EST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

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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