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

40°F

4°C

Humidity 53%
Wind Speed Calm
Barometer 30.38 in (1029.2 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 25 Mar 9:53 am EDT
Extended Forecast for

Sussex NJ

  • Today

    Today: Partly sunny, with a high near 56. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 56 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 39. South wind around 5 mph.

    Low: 39 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A slight chance of showers after 2pm. Partly sunny, with a high near 69. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 69 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers, mainly after 8pm. Low around 46. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Showers

  • Friday

    Friday: Showers, mainly before 8am. High near 49. Northwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Saturday Night

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

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 56. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Increasing clouds, with a low around 39. South wind around 5 mph.
Thursday
A slight chance of showers after 2pm. Partly sunny, with a high near 69. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday Night
Showers, mainly after 8pm. Low around 46. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers, mainly before 8am. High near 49. Northwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Mostly clear, with a low around 24.
Saturday
Sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Partly sunny, with a high near 58.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
A chance of rain. Mostly cloudy, with a high near 61. 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:
4:09 am EDT Mar 25, 2026
Forecast Valid:
10am EDT Mar 25, 2026-6pm EDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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