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 86%
Wind Speed Calm
Barometer 29.99 in (1015.5 mb)
Dewpoint 41°F (5°C)
Visibility 8.00 mi
Last update 23 Apr 7:53 am EDT
Extended Forecast for

Sussex NJ

  • Today

    Today: Sunny, with a high near 70. Northwest wind 5 to 15 mph.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 43. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 66. Calm wind becoming northwest around 5 mph.

    High: 66 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am. Mostly cloudy, with a low around 41. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers, mainly after 8am. High near 51. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 51 °F

    Showers

  • Saturday Night

    Saturday Night: Showers, mainly before 2am. Low around 39. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Showers

  • Sunday

    Sunday: A chance of showers before 8am. Partly sunny, with a high near 59. Chance of precipitation is 30%.

    High: 59 °F

    Chance
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 70. Northwest wind 5 to 15 mph.
Tonight
Increasing clouds, with a low around 43. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 66. Calm wind becoming northwest around 5 mph.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 41. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers, mainly after 8am. High near 51. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Showers, mainly before 2am. Low around 39. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A chance of showers before 8am. Partly sunny, with a high near 59. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 64.
Monday Night
A chance of showers after 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.
Tuesday
Showers likely. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 62. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sussex NJ
 41.2°N 74.59°W (Elev. 400 ft)
Last Update:
4:08 am EDT Apr 23, 2026
Forecast Valid:
8am EDT Apr 23, 2026-6pm EDT Apr 29, 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