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.

Overcast

59°F

15°C

Humidity 64%
Wind Speed SW 3 mph
Barometer 30.04 in (1017.2 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 31 Mar 1:53 am EDT
Extended Forecast for

Newfoundland NJ

  • Overnight

    Overnight: Showers likely. Mostly cloudy, with a low around 55. Southwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 75. Southwest wind 7 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    High: 75 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Mostly cloudy, with a low around 62. Southwest wind around 8 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 69. Southwest wind 8 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 46. North wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 40%.

    Low: 44 °F

    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 70.

    High: 70 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Showers likely. Mostly cloudy, with a low around 55. Southwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 75. Southwest wind 7 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Tuesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Mostly cloudy, with a low around 62. Southwest wind around 8 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 69. Southwest wind 8 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 46. North wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 56.
Thursday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 40%.
Friday
Mostly cloudy, with a high near 70.
Friday Night
A chance of thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Saturday
A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 74.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 53.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 70.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 41.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Newfoundland NJ
 41.09°N 74.41°W (Elev. 899 ft)
Last Update:
5:53 pm EDT Mar 30, 2026
Forecast Valid:
2am EDT Mar 31, 2026-6pm EDT Apr 6, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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