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.

Light Rain

68°F

20°C

Humidity 90%
Wind Speed Calm
Barometer 29.81 in (1009.4 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 4 Sep 7:53 pm EDT
Extended Forecast for

Hewitt NJ

  • Tonight

    Tonight: Showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a slight chance of showers after 2am. Low around 61. Southeast wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers

  • Friday

    Friday: Mostly sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 83. Calm wind becoming south 5 to 7 mph in the morning.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 56 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a slight chance of showers after 2am. Low around 61. Southeast wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Friday Night
Mostly clear, with a low around 64. Calm wind.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 83. Calm wind becoming south 5 to 7 mph in the morning.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Partly sunny, with a high near 71.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hewitt NJ
 41.15°N 74.33°W (Elev. 669 ft)
Last Update:
8:10 pm EDT Sep 4, 2025
Forecast Valid:
8pm EDT Sep 4, 2025-6pm EDT Sep 11, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation