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

25°F

-4°C

Humidity 42%
Wind Speed NW 6 mph
Barometer 30.24 in (1024.4 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 18 Mar 2:53 am EDT
Extended Forecast for

Highland Lakes NJ

  • Overnight

    Overnight: Mostly clear, with a low around 19. West wind around 10 mph.

    Low: 19 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 35. Northwest wind around 5 mph becoming southwest in the afternoon.

    High: 35 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23. South wind around 5 mph becoming calm in the evening.

    Low: 23 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 43. South wind 5 to 10 mph.

    High: 43 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A slight chance of snow before 11pm, then a slight chance of rain and snow between 11pm and 2am, then a chance of rain after 2am. Cloudy, with a low around 31. South wind around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance
    Rain/Snow

  • Friday

    Friday: A chance of rain before 8am. Mostly cloudy, with a high near 49. Chance of precipitation is 30%.

    High: 49 °F

    Chance Rain
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: A chance of rain after 2am. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A chance of rain. Mostly cloudy, with a high near 49. Chance of precipitation is 30%.

    High: 49 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.

    Low: 36 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 19. West wind around 10 mph.
Wednesday
Partly sunny, with a high near 35. Northwest wind around 5 mph becoming southwest in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 23. South wind around 5 mph becoming calm in the evening.
Thursday
Mostly cloudy, with a high near 43. South wind 5 to 10 mph.
Thursday Night
A slight chance of snow before 11pm, then a slight chance of rain and snow between 11pm and 2am, then a chance of rain after 2am. Cloudy, with a low around 31. South wind around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
A chance of rain before 8am. Mostly cloudy, with a high near 49. Chance of precipitation is 30%.
Friday Night
A chance of rain after 2am. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Saturday
A chance of rain. Mostly cloudy, with a high near 49. Chance of precipitation is 30%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.
Sunday
A chance of rain after 2pm. Mostly cloudy, with a high near 54. Chance of precipitation is 30%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Monday
A chance of snow. Sunny, with a high near 44. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 23.
Tuesday
Mostly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Highland Lakes NJ
 41.19°N 74.45°W (Elev. 1201 ft)
Last Update:
5:56 pm EDT Mar 17, 2026
Forecast Valid:
3am EDT Mar 18, 2026-6pm EDT Mar 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