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

82°F

28°C

Humidity 74%
Wind Speed SE 5 mph
Barometer 30.02 in (1016.3 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 13 Jul 6:53 pm EDT
Extended Forecast for

Sussex NJ

  • Tonight

    Tonight: A chance of showers and thunderstorms before 5am, then a slight chance of showers. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 71 °F

    Heavy Rain

  • Monday

    Monday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 86. Calm wind becoming southwest around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Slight Chance
    T-storms then
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms before 5am, then a chance of showers. Low around 70. Calm wind. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 70 °F

    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 88. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of thunderstorms before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 90. Chance of precipitation is 60%.

    High: 90 °F

    Mostly Cloudy
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 60%.

    Low: 72 °F

    Showers
    Likely then
    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 5am, then a slight chance of showers. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm. Chance of precipitation is 30%.
Monday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 86. Calm wind becoming southwest around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and thunderstorms before 5am, then a chance of showers. Low around 70. Calm wind. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Tuesday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 88. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of thunderstorms before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 90. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sussex NJ
 41.21°N 74.62°W (Elev. 407 ft)
Last Update:
4:12 pm EDT Jul 13, 2025
Forecast Valid:
7pm EDT Jul 13, 2025-6pm EDT Jul 20, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation