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

43°F

6°C

Humidity 45%
Wind Speed N 3 mph
Barometer 30.43 in (1030.6 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 12 Apr 1:53 am EDT
Extended Forecast for

2 Miles NNE Hewitt NJ

Frost Advisory until April 12, 09:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory until April 12, 09:00am

    NOW until 9:00am Sun

    Frost Advisory

  • Overnight

    Low: 35 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 58. Calm wind becoming south 5 to 8 mph in the morning.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 44. South wind around 8 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A 40 percent chance of showers after 2pm. Partly sunny, with a high near 73. Southwest wind around 11 mph, with gusts as high as 26 mph.

    High: 73 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. West wind 6 to 9 mph, with gusts as high as 22 mph.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 35. North wind around 6 mph becoming calm.
Sunday
Sunny, with a high near 58. Calm wind becoming south 5 to 8 mph in the morning.
Sunday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 44. South wind around 8 mph, with gusts as high as 20 mph.
Monday
A 40 percent chance of showers after 2pm. Partly sunny, with a high near 73. Southwest wind around 11 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 55. West wind 6 to 9 mph, with gusts as high as 22 mph.
Tuesday
Partly sunny, with a high near 81.
Tuesday Night
Mostly cloudy, with a low around 59.
Wednesday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 85.
Wednesday Night
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 61.
Thursday
Partly sunny, with a high near 83.
Thursday Night
Mostly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Hewitt NJ
 41.2°N 74.35°W (Elev. 1132 ft)
Last Update:
2:46 am EDT Apr 12, 2026
Forecast Valid:
2am EDT Apr 12, 2026-6pm EDT Apr 18, 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