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

54°F

12°C

Humidity 75%
Wind Speed NE 3 mph
Barometer 30.13 in (1020.2 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 15 Oct 4:53 am EDT
Extended Forecast for

Greenwood Lake NY

  • Today

    Today: Mostly sunny, with a high near 62. Northeast wind 5 to 7 mph becoming calm in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers likely, mainly after 5am. Increasing clouds, with a low around 49. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers likely before 11am, then showers and possibly a thunderstorm after 5pm. High near 72. Southwest wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 42. West wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 42 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 49. North wind around 11 mph, with gusts as high as 25 mph.

    High: 49 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 62. Northeast wind 5 to 7 mph becoming calm in the afternoon.
Tonight
Showers likely, mainly after 5am. Increasing clouds, with a low around 49. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers likely before 11am, then showers and possibly a thunderstorm after 5pm. High near 72. Southwest wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 42. West wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 49. North wind around 11 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Greenwood Lake NY
 41.21°N 74.29°W (Elev. 689 ft)
Last Update:
1:55 am EDT Oct 15, 2026
Forecast Valid:
5am EDT Oct 15, 2026-6pm EDT Oct 21, 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