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.

Fair

66°F

19°C

Humidity 84%
Wind Speed Calm
Barometer 30.04 in (1017.1 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 26 Aug 8:53 pm EDT
Extended Forecast for

Greenwood Lake NY

Flood Watch August 27, 12:00pm until August 27, 11:00pm
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 80. South wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Chance
    T-storms then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 2am, then a slight chance of showers. Low around 64. Light south wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 82. Light northwest wind.

    High: 82 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 64. Calm wind.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 80. South wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 2am, then a slight chance of showers. Low around 64. Light south wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 82. Light northwest wind.
Friday Night
Partly cloudy, with a low around 57. Calm wind.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 65.
Monday
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 85.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 67.
Wednesday
A 40 percent chance of showers. Mostly sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greenwood Lake NY
 41.21°N 74.29°W (Elev. 689 ft)
Last Update:
2:53 pm EDT Aug 26, 2026
Forecast Valid:
9pm EDT Aug 26, 2026-6pm EDT Sep 2, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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