National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sussex, Sussex Airport (KFWN)

Lat: 41.2°NLon: 74.63°WElev: 410ft.

Mostly Cloudy

44°F

7°C

Humidity 49%
Wind Speed NW 10 mph
Barometer 30.16 in (1021.5 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 20 Apr 9:53 am EDT
Extended Forecast for

Sussex NJ

Freeze Warning April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Today

    Today: Mostly sunny, with a high near 47. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 47 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 26. Northwest wind around 5 mph becoming calm in the evening.

    Low: 26 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 54. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 54 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 2am. Increasing clouds, with a low around 39. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 8am. Mostly cloudy, with a high near 63. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 47. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 26. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 54. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A chance of showers, mainly after 2am. Increasing clouds, with a low around 39. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers before 8am. Mostly cloudy, with a high near 63. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 69.
Friday Night
A chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 63. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sussex NJ
 41.21°N 74.62°W (Elev. 407 ft)
Last Update:
4:10 am EDT Apr 20, 2026
Forecast Valid:
10am EDT Apr 20, 2026-6pm EDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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