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

34°F

1°C

Humidity 85%
Wind Speed S 3 mph
Barometer 29.96 in (1014.6 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 9 Mar 3:53 am EDT
Extended Forecast for

Sussex NJ

  • Today

    Today: Sunny, with a high near 68. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. Southwest wind 5 to 10 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 48. Calm wind.

    Low: 48 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 71. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

    High: 71 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.

    Low: 50 °F

    Showers
    Likely

  • Thursday

    Thursday: Rain showers likely before 2pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.

    High: 54 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow showers before 8pm. Partly cloudy, with a low around 27. Chance of precipitation is 30%.

    Low: 27 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 68. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 41. Southwest wind 5 to 10 mph.
Tuesday
Sunny, with a high near 73. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Increasing clouds, with a low around 48. Calm wind.
Wednesday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 71. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Wednesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
Thursday
Rain showers likely before 2pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow showers before 8pm. Partly cloudy, with a low around 27. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 47.
Friday Night
A chance of rain between 8pm and 2am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
A chance of rain and snow. Cloudy, with a high near 49. Chance of precipitation is 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:
1:23 am EDT Mar 9, 2026
Forecast Valid:
4am EDT Mar 9, 2026-6pm EDT Mar 15, 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