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

45°F

7°C

Humidity 40%
Wind Speed NA
Barometer 29.94 in (1014.1 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 13 Jan 12:53 pm EST
Extended Forecast for

Sussex NJ

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 46. South wind 5 to 10 mph.

    High: 46 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of rain after 1am. Cloudy, with a low around 34. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Cloudy then
    Slight Chance
    Rain

  • Wednesday

    Wednesday: A chance of rain after 1pm. Cloudy, with a high near 46. Southwest wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Cloudy then
    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 1am, then rain and snow likely. Cloudy, with a low around 25. South wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A slight chance of snow before 1pm. Partly sunny, with a high near 31. West wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 31 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 46. South wind 5 to 10 mph.
Tonight
A slight chance of rain after 1am. Cloudy, with a low around 34. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Wednesday
A chance of rain after 1pm. Cloudy, with a high near 46. Southwest wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely before 1am, then rain and snow likely. Cloudy, with a low around 25. South wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
A slight chance of snow before 1pm. Partly sunny, with a high near 31. West wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 12.
Friday
Mostly sunny, with a high near 30.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 17.
M.L.King Day
Mostly sunny, with a high near 30.
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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:
4:10 am EST Jan 13, 2026
Forecast Valid:
1pm EST Jan 13, 2026-6pm EST Jan 19, 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