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.

A Few Clouds

41°F

5°C

Humidity 73%
Wind Speed Calm
Barometer 30.16 in (1021.4 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 20 Apr 8:53 am EDT
Extended Forecast for

Highland Lakes NJ

Freeze Warning April 21, 12:00am until April 21, 09:00am
Freeze Warning April 20, 09:15am until April 20, 10:00am
Click here for hazard details and duration
Freeze Warning
...
  •  
    Freeze Warning April 20, 09:15am until April 20, 10:00am

    NOW until 10:00am Mon

    Freeze Warning

  • Today

    High: 44 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 26. Northwest wind around 5 mph.

    Low: 26 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 50. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow showers before 11pm, then a chance of rain showers. Increasing clouds, with a low around 38. South wind around 5 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 38 °F

    Slight Chance
    Rain/Snow
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly before 8am. Mostly cloudy, with a high near 57. South wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 44. Northwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 26. Northwest wind around 5 mph.
Tuesday
Sunny, with a high near 50. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A slight chance of rain and snow showers before 11pm, then a chance of rain showers. Increasing clouds, with a low around 38. South wind around 5 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday
A chance of showers, mainly before 8am. Mostly cloudy, with a high near 57. South wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 63.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 56. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 41. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 57. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Highland Lakes NJ
 41.16°N 74.45°W (Elev. 1214 ft)
Last Update:
4:10 am EDT Apr 20, 2026
Forecast Valid:
9am EDT Apr 20, 2026-6pm EDT Apr 26, 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