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

62°F

17°C

Humidity 93%
Wind Speed SW 5 mph
Barometer 29.52 in (999.3 mb)
Dewpoint 60°F (16°C)
Visibility 7.00 mi
Last update 12 Mar 4:53 am EDT
Extended Forecast for

Sussex NJ

  • Overnight

    Overnight: Showers. Steady temperature around 62. Southwest wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 62 °F

    Showers

  • Thursday

    Thursday: Rain before noon, then a chance of rain and snow between noon and 1pm, then a chance of snow after 1pm. Temperature falling to around 40 by 4pm. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 48 °F⇓

    Rain then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 25. West wind 5 to 10 mph.

    Low: 25 °F

    Decreasing
    Clouds

  • Friday

    Friday: A slight chance of rain and snow after 2pm. Increasing clouds, with a high near 46. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    High: 46 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A slight chance of rain before 2am. Partly cloudy, with a low around 33. Southwest wind around 5 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly 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 40. Chance of precipitation is 80%.

    Low: 40 °F

    Chance Rain
    then Rain

Detailed Forecast

Overnight
Showers. Steady temperature around 62. Southwest wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain before noon, then a chance of rain and snow between noon and 1pm, then a chance of snow after 1pm. Temperature falling to around 40 by 4pm. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 25. West wind 5 to 10 mph.
Friday
A slight chance of rain and snow after 2pm. Increasing clouds, with a high near 46. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of rain before 2am. Partly cloudy, with a low around 33. Southwest wind around 5 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 49.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
Mostly cloudy, with a high near 48.
Sunday Night
Rain, mainly after 2am. Low around 40. Chance of precipitation is 80%.
Monday
Rain. High near 62. Chance of precipitation is 90%.
Monday Night
A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.
Tuesday
Partly sunny, with a high near 39.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Mostly sunny, with a high near 39.
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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:
4:09 am EDT Mar 12, 2026
Forecast Valid:
5am EDT Mar 12, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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