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.

Fair

81°F

27°C

Humidity 37%
Wind Speed Calm
Barometer 30.12 in (1019.7 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 4 Aug 12:53 pm EDT
Extended Forecast for

Hewitt NJ

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 80. Calm wind.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. Light and variable wind.

    Low: 63 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 78. Light and variable wind.

    High: 78 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight, then a chance of showers between midnight and 2am. Mostly cloudy, with a low around 68. Light south wind. Chance of precipitation is 50%.

    Low: 68 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before noon, then a slight chance of showers and thunderstorms between noon and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. Southwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Slight Chance
    Showers 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 midnight. Mostly cloudy, with a low around 70. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Showers
    Likely then
    Partly Cloudy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 80. Calm wind.
Tonight
Mostly cloudy, with a low around 63. Light and variable wind.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 78. Light and variable wind.
Wednesday Night
A chance of showers and thunderstorms before midnight, then a chance of showers between midnight and 2am. Mostly cloudy, with a low around 68. Light south wind. Chance of precipitation is 50%.
Thursday
A slight chance of showers before noon, then a slight chance of showers and thunderstorms between noon and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. Southwest wind around 6 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
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and midnight. Mostly cloudy, with a low around 70. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83.
Friday Night
A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69.
Saturday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 69.
Monday
Mostly sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hewitt NJ
 41.18°N 74.36°W (Elev. 1385 ft)
Last Update:
6:53 am EDT Aug 4, 2026
Forecast Valid:
1pm EDT Aug 4, 2026-6pm EDT Aug 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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