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

30°F

-1°C

Humidity 79%
Wind Speed Calm
Barometer 30.29 in (1026.0 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 8 Jan 8:53 pm EST
Extended Forecast for

Hewitt NJ

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Cloudy

  • Friday

    Friday: A 50 percent chance of rain after 1pm. Mostly cloudy, with a high near 50. Calm wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 20 mph.

    High: 50 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday Night

    Friday Night: A 30 percent chance of rain before 1am. Cloudy, with a low around 39. South wind around 6 mph becoming northwest after midnight.

    Low: 39 °F

    Chance Rain

  • Saturday

    Saturday: Rain, mainly after 1pm. Steady temperature around 41. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 41 °F

    Slight Chance
    Rain then
    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before 1am. Cloudy, with a low around 37. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Rain Likely

  • Sunday

    Sunday: A 30 percent chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 45.

    High: 45 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 31. Calm wind.
Friday
A 50 percent chance of rain after 1pm. Mostly cloudy, with a high near 50. Calm wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
A 30 percent chance of rain before 1am. Cloudy, with a low around 39. South wind around 6 mph becoming northwest after midnight.
Saturday
Rain, mainly after 1pm. Steady temperature around 41. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain likely, mainly before 1am. Cloudy, with a low around 37. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A 30 percent chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 45.
Sunday Night
Partly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 42.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 29.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hewitt NJ
 41.17°N 74.33°W (Elev. 663 ft)
Last Update:
12:58 pm EST Jan 8, 2026
Forecast Valid:
9pm EST Jan 8, 2026-6pm EST Jan 15, 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