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

35°F

2°C

Humidity 57%
Wind Speed NE 9 mph
Barometer 30.44 in (1031.2 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 15 Mar 8:53 am EDT
Extended Forecast for

Sussex Airport NJ

  • Today

    Today: Mostly cloudy, with a high near 47. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 47 °F

    Mostly Cloudy

  • Tonight

    Tonight: Rain, mainly after 2am. Low around 37. East wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Mostly Cloudy
    then Rain

  • Monday

    Monday: Rain likely and possibly a thunderstorm before 7am, then a chance of rain and thunderstorms between 7am and 8am, then showers and possibly a thunderstorm after 8am. Some of the storms could be severe. High near 65. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 65 °F

    Severe
    Thunderstorms

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 30. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 30 °F

    Severe
    Thunderstorms
    then Showers

  • Tuesday

    Tuesday: A chance of showers before 8am. Partly sunny, with a high near 39. West wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 39 °F

    Chance
    Showers then
    Partly Sunny

  • Tuesday Night

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

    Low: 19 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 47. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Rain, mainly after 2am. Low around 37. East wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain likely and possibly a thunderstorm before 7am, then a chance of rain and thunderstorms between 7am and 8am, then showers and possibly a thunderstorm after 8am. Some of the storms could be severe. High near 65. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 30. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
A chance of showers before 8am. Partly sunny, with a high near 39. West wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
Mostly cloudy, with a high near 49.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 54.
Friday Night
A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 50%.
Saturday
A chance of rain. Partly sunny, with a high near 51. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sussex Airport NJ
 41.21°N 74.62°W (Elev. 407 ft)
Last Update:
4:11 am EDT Mar 15, 2026
Forecast Valid:
9am EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
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Additional Resources

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