National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sussex, Sussex Airport (KFWN)

Lat: 41.2°NLon: 74.63°WElev: 410ft.

Fair

72°F

22°C

Humidity 97%
Wind Speed Calm
Barometer 30.06 in (1017.6 mb)
Dewpoint 71°F (22°C)
Visibility 9.00 mi
Last update 16 Jul 2:53 am EDT
Extended Forecast for

Newfoundland NJ

Heat Advisory July 16, 11:00am until July 17, 10:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Patchy Fog

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 88. Heat index values as high as 96. Light and variable wind.

    High: 88 °F

    Patchy Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 88. Heat index values as high as 96. Southwest wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 71. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 88. Heat index values as high as 96. Light and variable wind.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Calm wind.
Thursday
Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 88. Heat index values as high as 96. Southwest wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 61.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 67.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newfoundland NJ
 41.05°N 74.44°W (Elev. 801 ft)
Last Update:
2:02 am EDT Jul 16, 2025
Forecast Valid:
3am EDT Jul 16, 2025-6pm EDT Jul 22, 2025
 
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