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

34°F

1°C

Humidity 59%
Wind Speed Calm
Barometer 30.59 in (1036.3 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 8 Apr 11:53 pm EDT
Extended Forecast for

3 Miles SE Highland Lakes NJ

  • Overnight

    Overnight: Widespread frost after 1am. Otherwise, clear, with a low around 27. Calm wind.

    Low: 27 °F

    Frost

  • Thursday

    Thursday: Widespread frost before 9am. Otherwise, sunny, with a high near 53. Calm wind becoming south 5 to 7 mph in the morning.

    High: 53 °F

    Frost then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33. South wind 3 to 6 mph.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64. Southwest wind 3 to 8 mph. Winds could gust as high as 20 mph.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 42. South wind around 7 mph becoming west after midnight.

    Low: 42 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Widespread frost after 1am. Otherwise, clear, with a low around 27. Calm wind.
Thursday
Widespread frost before 9am. Otherwise, sunny, with a high near 53. Calm wind becoming south 5 to 7 mph in the morning.
Thursday Night
Mostly clear, with a low around 33. South wind 3 to 6 mph.
Friday
Sunny, with a high near 64. Southwest wind 3 to 8 mph. Winds could gust as high as 20 mph.
Friday Night
A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 42. South wind around 7 mph becoming west after midnight.
Saturday
Sunny, with a high near 56.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
Mostly cloudy, with a high near 71.
Monday Night
Mostly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 62.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Highland Lakes NJ
 41.14°N 74.43°W (Elev. 1302 ft)
Last Update:
5:30 pm EDT Apr 8, 2026
Forecast Valid:
12am EDT Apr 9, 2026-6pm EDT Apr 15, 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