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.

Rain Fog/Mist

64°F

18°C

Humidity 87%
Wind Speed S 3 mph
Barometer 29.63 in (1003.1 mb)
Dewpoint 60°F (16°C)
Visibility 3.00 mi
Last update 12 Mar 12:53 am EDT
Extended Forecast for

Highland Lakes NJ

  • Overnight

    Overnight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Steady temperature around 61. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers

  • Thursday

    Thursday: Rain before 11am, then a chance of sleet between 11am and noon, then a chance of snow after noon. Temperature falling to around 35 by 2pm. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow and sleet accumulation of less than a half inch possible.

    High: 45 °F⇓

    Rain/Sleet
    and Breezy
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 25. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Gradual
    Clearing

  • Friday

    Friday: Increasing clouds, with a high near 42. South wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 42 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Cloudy, with a high near 44.

    High: 44 °F

    Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 37. Chance of precipitation is 90%.

    Low: 37 °F

    Chance Rain
    then Rain

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Steady temperature around 61. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain before 11am, then a chance of sleet between 11am and noon, then a chance of snow after noon. Temperature falling to around 35 by 2pm. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow and sleet accumulation of less than a half inch possible.
Thursday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 25. West wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Increasing clouds, with a high near 42. South wind 5 to 15 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 33. South wind around 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Cloudy, with a high near 44.
Sunday Night
Rain, mainly after 2am. Low around 37. Chance of precipitation is 90%.
Monday
Rain. High near 57. Chance of precipitation is 90%.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
Mostly clear, with a low around 18.
Wednesday
Mostly sunny, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Highland Lakes NJ
 41.16°N 74.45°W (Elev. 1214 ft)
Last Update:
10:05 pm EDT Mar 11, 2026
Forecast Valid:
1am EDT Mar 12, 2026-6pm EDT Mar 18, 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