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

35°F

2°C

Humidity 78%
Wind Speed Calm
Barometer 30.01 in (1016.3 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 10 Mar 5:53 am EDT
Extended Forecast for

Sussex NJ

  • Today

    Today: Sunny, with a high near 75. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. Southwest wind around 5 mph becoming calm.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, mainly after 2pm. Partly sunny, with a high near 73. Light and variable wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 73 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, with thunderstorms also possible after 11pm. Mostly cloudy, with a low around 51. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of rain showers before 2pm, then a slight chance of rain and snow showers. Mostly cloudy, with a high near 53. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 53 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 75. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Tonight
Mostly clear, with a low around 50. Southwest wind around 5 mph becoming calm.
Wednesday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 73. Light and variable wind becoming south 5 to 10 mph in the afternoon. 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 51. South wind 5 to 10 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 showers before 2pm, then a slight chance of rain and snow showers. Mostly cloudy, with a high near 53. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday Night
Partly cloudy, with a low around 27.
Friday
Partly sunny, with a high near 47.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
Sunny, with a high near 49.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
Cloudy, with a high near 52.
Sunday Night
Rain. Low around 40. Chance of precipitation is 80%.
Monday
Rain. High near 55. Chance of precipitation is 80%.
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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:
4:08 am EDT Mar 10, 2026
Forecast Valid:
6am EDT Mar 10, 2026-6pm EDT Mar 16, 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