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

46°F

8°C

Humidity 27%
Wind Speed W 12 G 18 mph
Barometer 30.15 in (1021.3 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 14 Mar 5:53 pm EDT
Extended Forecast for

3 Miles SSE Hewitt NJ

  • Tonight

    Tonight: Increasing clouds, with a low around 29. Northwest wind 8 to 13 mph becoming light in the evening. Winds could gust as high as 29 mph.

    Low: 29 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 46. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

    High: 46 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Showers, mainly after 2am. Temperature falling to near 39 by 10pm, then rising to around 47 during the remainder of the night. Southeast wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F⇑

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am. Some of the storms could produce heavy rainfall. High near 63. Southeast wind 10 to 15 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 63 °F

    Heavy Rain

  • Monday Night

    Monday Night: Rain showers before 2am, then a chance of rain and snow showers. The rain could be heavy at times. Some thunder is also possible. Low around 28. South wind 15 to 17 mph becoming west after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Heavy Rain
    then
    Rain/Snow

  • Tuesday

    Tuesday: A 30 percent chance of snow showers before 8am. Partly sunny, with a high near 36.

    High: 36 °F

    Chance Snow
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 19.

    Low: 19 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 29. Northwest wind 8 to 13 mph becoming light in the evening. Winds could gust as high as 29 mph.
Sunday
Partly sunny, with a high near 46. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Sunday Night
Showers, mainly after 2am. Temperature falling to near 39 by 10pm, then rising to around 47 during the remainder of the night. Southeast wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers, with thunderstorms also possible after 11am. Some of the storms could produce heavy rainfall. High near 63. Southeast wind 10 to 15 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain showers before 2am, then a chance of rain and snow showers. The rain could be heavy at times. Some thunder is also possible. Low around 28. South wind 15 to 17 mph becoming west after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday
A 30 percent chance of snow showers before 8am. Partly sunny, with a high near 36.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 19.
Wednesday
Mostly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 45.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Mostly sunny, with a high near 49.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 33.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Hewitt NJ
 41.13°N 74.34°W (Elev. 755 ft)
Last Update:
5:44 pm EDT Mar 14, 2026
Forecast Valid:
6pm EDT Mar 14, 2026-6pm EDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation