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.

Rain Fog/Mist

64°F

18°C

Humidity 87%
Wind Speed S 3 mph
Barometer 29.63 in (1003.1 mb)
Dewpoint 60°F (16°C)
Visibility 3.00 mi
Last update 12 Mar 12:53 am EDT
Extended Forecast for

Sussex NJ

  • Overnight

    Overnight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 41. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °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 39 by 1pm. Northwest wind around 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 during the early evening, then gradual clearing, with a low around 25. West wind around 5 mph.

    Low: 25 °F

    Gradual
    Clearing

  • Friday

    Friday: Partly sunny, with a high near 47. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 47 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Cloudy, with a high near 48.

    High: 48 °F

    Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 39. Chance of precipitation is 80%.

    Low: 39 °F

    Chance Rain
    then Rain

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 41. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
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 39 by 1pm. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 25. West wind around 5 mph.
Friday
Partly sunny, with a high near 47. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Partly cloudy, with a low around 34. South wind around 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Cloudy, with a high near 48.
Sunday Night
Rain, mainly after 2am. Low around 39. Chance of precipitation is 80%.
Monday
Rain. High near 62. Chance of precipitation is 90%.
Monday Night
Rain likely. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.
Tuesday
Partly sunny, with a high near 38.
Tuesday Night
Mostly clear, with a low around 19.
Wednesday
Mostly sunny, with a high near 38.
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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:
10:05 pm EDT Mar 11, 2026
Forecast Valid:
1am 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