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.

Mostly Cloudy

40°F

4°C

Humidity 51%
Wind Speed NA
Barometer 29.77 in (1008.4 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 13 Mar 9:53 pm EDT
Extended Forecast for

Sussex NJ

  • Tonight

    Tonight: A chance of rain and snow showers before midnight, then a slight chance of rain showers between midnight and 1am. Partly cloudy, with a low around 32. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Rain/Snow
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 47. West wind around 15 mph, with gusts as high as 35 mph.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 27. West wind around 5 mph becoming calm in the evening.

    Low: 27 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy, with a high near 46. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 46 °F

    Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 36. Southeast wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Slight Chance
    Rain then
    Rain

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. High near 63. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 63 °F

    Showers

  • Monday Night

    Monday Night: Rain showers before 2am, then a chance of rain and snow showers. Some thunder is also possible. Low around 29. Chance of precipitation is 90%.

    Low: 29 °F

    Showers then
    Rain/Snow

  • Tuesday

    Tuesday: A chance of rain and snow showers before 8am. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.

    High: 39 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of rain and snow showers before midnight, then a slight chance of rain showers between midnight and 1am. Partly cloudy, with a low around 32. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday
Sunny, with a high near 47. West wind around 15 mph, with gusts as high as 35 mph.
Saturday Night
Increasing clouds, with a low around 27. West wind around 5 mph becoming calm in the evening.
Sunday
Cloudy, with a high near 46. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Rain, mainly after 2am. Low around 36. Southeast wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, with thunderstorms also possible after 2pm. High near 63. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain showers before 2am, then a chance of rain and snow showers. Some thunder is also possible. Low around 29. Chance of precipitation is 90%.
Tuesday
A chance of rain and snow showers before 8am. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 39.
Wednesday Night
Cloudy, with a low around 25.
Thursday
Mostly cloudy, with a high near 46.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
Mostly cloudy, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sussex NJ
 41.2°N 74.59°W (Elev. 400 ft)
Last Update:
9:46 pm EDT Mar 13, 2026
Forecast Valid:
10pm EDT Mar 13, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation