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.

Overcast

39°F

4°C

Humidity 48%
Wind Speed NW 9 G 21 mph
Barometer 29.80 in (1009.3 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 12 Mar 3:53 pm EDT
Extended Forecast for

Sussex NJ

  • This Afternoon

    This Afternoon: A chance of rain and snow before 5pm. Mostly cloudy, with a steady temperature around 38. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. Total daytime snow accumulation of less than a half inch possible.

    High: 38 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 25. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Gradual
    Clearing

  • Friday

    Friday: Increasing clouds, with a high near 46. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 46 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A slight chance of rain, mixing with snow after 11pm, then gradually ending. Partly cloudy, with a low around 33. South wind 10 to 15 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Rain/Snow

  • Saturday

    Saturday: Sunny, with a high near 49. West wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 39. Chance of precipitation is 90%.

    Low: 39 °F

    Chance Rain
    then Rain

  • Monday

    Monday: Rain. High near 64. Chance of precipitation is 100%.

    High: 64 °F

    Rain

Detailed Forecast

This Afternoon
A chance of rain and snow before 5pm. Mostly cloudy, with a steady temperature around 38. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 25. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Increasing clouds, with a high near 46. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
A slight chance of rain, mixing with snow after 11pm, then gradually ending. Partly cloudy, with a low around 33. South wind 10 to 15 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 49. West wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Mostly cloudy, with a high near 48.
Sunday Night
Rain, mainly after 2am. Low around 39. Chance of precipitation is 90%.
Monday
Rain. High near 64. Chance of precipitation is 100%.
Monday Night
Rain likely before 2am. Mostly cloudy, with a low around 32. Chance of precipitation is 70%.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 21.
Wednesday
Sunny, with a high near 40.
Wednesday Night
Partly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 46.
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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:
4:11 pm EDT Mar 12, 2026
Forecast Valid:
4pm EDT Mar 12, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation