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.

Overcast

32°F

0°C

Humidity 88%
Wind Speed Calm
Barometer 30.13 in (1020.5 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 20 Apr 6:53 am EDT
Extended Forecast for

2 Miles NW Hewitt NJ

Frost Advisory April 20, 07:11am until April 20, 08:00am
Freeze Warning April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
...
Freeze Warning
  •  
    Frost Advisory April 20, 07:11am until April 20, 08:00am

    NOW until 8:00am Mon

    Frost Advisory

  • Today

    High: 48 °F

    Slight Chance
    Snow Showers
    then Mostly
    Sunny

  • Tonight

    Tonight: Widespread frost after 4am. Otherwise, mostly clear, with a low around 24. Northwest wind 6 to 8 mph.

    Low: 24 °F

    Mostly Clear
    then Frost

  • Tuesday

    Tuesday: Sunny, with a high near 50. Wind chill values between 20 and 30 early. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers, mainly after 2am. Increasing clouds, with a low around 37. South wind around 6 mph.

    Low: 37 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 8am. Partly sunny, with a high near 58. South wind around 6 mph.

    High: 58 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Today
A 20 percent chance of snow showers before 8am. Mostly sunny, with a high near 48. Calm wind becoming northwest 5 to 9 mph in the morning.
Tonight
Widespread frost after 4am. Otherwise, mostly clear, with a low around 24. Northwest wind 6 to 8 mph.
Tuesday
Sunny, with a high near 50. Wind chill values between 20 and 30 early. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
A 40 percent chance of showers, mainly after 2am. Increasing clouds, with a low around 37. South wind around 6 mph.
Wednesday
A 30 percent chance of showers, mainly before 8am. Partly sunny, with a high near 58. South wind around 6 mph.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 63.
Friday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 43.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 57.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 41.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Hewitt NJ
 41.18°N 74.39°W (Elev. 1178 ft)
Last Update:
6:13 am EDT Apr 20, 2026
Forecast Valid:
7am EDT Apr 20, 2026-6pm EDT Apr 26, 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