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

29°C

84°F

Humidity 70%
Wind Speed S 11 km/h
Barometer 1017.5 mb (30.06 in)
Dewpoint 23°C (73°F)
Visibility 16 km
Heat Index32°C (90°F)
Last update 13 Jul 2:53 pm EDT
Extended Forecast for

Hewitt NJ

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 8pm. Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 21. South wind 3 to 8 km/h.

    Low: 21 °C

    Slight Chance
    T-storms and
    Patchy Fog

  • Monday

    Monday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 29. Calm wind. Chance of precipitation is 80%. New rainfall amounts between 5 and 7.5 mm possible.

    High: 29 °C

    Slight Chance
    T-storms then
    T-storms

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 21. Calm wind. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.

    Low: 21 °C

    T-storms then
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 29. Calm wind. Chance of precipitation is 50%.

    High: 29 °C

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 22. Calm wind. Chance of precipitation is 20%.

    Low: 22 °C

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 31.

    High: 31 °C

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.

    Low: 22 °C

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 32. Chance of precipitation is 60%.

    High: 32 °C

    Partly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.

    Low: 22 °C

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms after 8pm. Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 21. South wind 3 to 8 km/h.
Monday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 29. Calm wind. Chance of precipitation is 80%. New rainfall amounts between 5 and 7.5 mm possible.
Monday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 21. Calm wind. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 29. Calm wind. Chance of precipitation is 50%.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 22. Calm wind. Chance of precipitation is 20%.
Wednesday
A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 31.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 32. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers after 2pm. Partly sunny, with a high near 32.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 21.
Saturday
A 40 percent chance of showers. Mostly sunny, with a high near 29.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 19.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
Hewitt NJ
 41.17°N 74.33°W (Elev. 663 m)
Last Update:
2:02 pm EDT Jul 13, 2025
Forecast Valid:
3pm EDT Jul 13, 2025-6pm EDT Jul 20, 2025
 
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