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.

Overcast

41°F

5°C

Humidity 73%
Wind Speed Calm
Barometer 29.95 in (1014.2 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 22 Mar 2:53 am EDT
Extended Forecast for

3 Miles SE Highland Lakes NJ

  • Overnight

    Overnight: A 20 percent chance of showers after 5am. Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers before 11am, then a slight chance of rain between 11am and 5pm, then rain likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 60. Southwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Slight Chance
    Showers then
    Rain Likely

  • Sunday Night

    Sunday Night: Rain and possibly a thunderstorm before 11pm, then showers, mainly between 11pm and 5am. Low around 36. Northwest wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 36 °F

    Showers

  • Monday

    Monday: A chance of rain before 11am, then a chance of snow between 11am and 2pm. Cloudy through mid morning, then gradual clearing, with a high near 42. Northwest wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    High: 42 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Monday Night

    Monday Night: Mostly clear, with a low around 26. Northwest wind 7 to 13 mph.

    Low: 26 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 30.

    Low: 30 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
A 20 percent chance of showers after 5am. Mostly cloudy, with a low around 37. Calm wind.
Sunday
A slight chance of showers before 11am, then a slight chance of rain between 11am and 5pm, then rain likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 60. Southwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain and possibly a thunderstorm before 11pm, then showers, mainly between 11pm and 5am. Low around 36. Northwest wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
A chance of rain before 11am, then a chance of snow between 11am and 2pm. Cloudy through mid morning, then gradual clearing, with a high near 42. Northwest wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 26. Northwest wind 7 to 13 mph.
Tuesday
Sunny, with a high near 44.
Tuesday Night
Increasing clouds, with a low around 30.
Wednesday
Mostly cloudy, with a high near 49.
Wednesday Night
A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 36.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 54.
Thursday Night
Rain likely. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.
Friday
Partly sunny, with a high near 44.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Highland Lakes NJ
 41.14°N 74.43°W (Elev. 1302 ft)
Last Update:
2:51 am EDT Mar 22, 2026
Forecast Valid:
3am EDT Mar 22, 2026-6pm EDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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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