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

51°F

11°C

Humidity 89%
Wind Speed Calm
Barometer 30.05 in (1017.6 mb)
Dewpoint 48°F (9°C)
Visibility 8.00 mi
Last update 18 Apr 5:53 am EDT
Extended Forecast for

2 Miles NNE Hewitt NJ

  • Today

    Today: Mostly sunny, with a high near 66. Calm wind becoming southeast 5 to 8 mph in the morning.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers likely, mainly after 5am. Patchy fog after 2am. Otherwise, increasing clouds, with a low around 46. South wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Slight Chance
    Showers then
    Showers
    Likely and
    Patchy Fog

  • Sunday

    Sunday: Showers, mainly before 2pm. Patchy fog before 8am. Temperature falling to around 44 by 2pm. Northwest wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F⇓

    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 33. West wind 5 to 7 mph.

    Low: 33 °F

    Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 45. Northwest wind around 10 mph, with gusts as high as 22 mph.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 66. Calm wind becoming southeast 5 to 8 mph in the morning.
Tonight
Showers likely, mainly after 5am. Patchy fog after 2am. Otherwise, increasing clouds, with a low around 46. South wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers, mainly before 2pm. Patchy fog before 8am. Temperature falling to around 44 by 2pm. Northwest wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 33. West wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 45. Northwest wind around 10 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 26.
Tuesday
Sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
Sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 66.
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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:
5:23 am EDT Apr 18, 2026
Forecast Valid:
6am EDT Apr 18, 2026-6pm EDT Apr 24, 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