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

87°F

31°C

Humidity 55%
Wind Speed NA
Barometer 30.08 in (1018.3 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 21 Jun 3:53 pm EDT
Extended Forecast for

Greenwood Lake NY

Extreme Heat Warning June 22, 12:00pm until June 24, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Tonight

    Tonight: Partly cloudy, with a low around 69. Calm wind becoming southwest around 6 mph after midnight.

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 93. Heat index values as high as 101. West wind 7 to 9 mph, with gusts as high as 21 mph.

    High: 93 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. West wind 3 to 5 mph.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 97. Heat index values as high as 107. Northwest wind 3 to 5 mph.

    High: 97 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. Light west wind.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 97.

    High: 97 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 69. Calm wind becoming southwest around 6 mph after midnight.
Sunday
Mostly sunny, with a high near 93. Heat index values as high as 101. West wind 7 to 9 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 74. West wind 3 to 5 mph.
Monday
Sunny, with a high near 97. Heat index values as high as 107. Northwest wind 3 to 5 mph.
Monday Night
Mostly clear, with a low around 74. Light west wind.
Tuesday
Sunny, with a high near 97.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 70.
Thursday
A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 78.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 65.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greenwood Lake NY
 41.21°N 74.29°W (Elev. 689 ft)
Last Update:
3:25 pm EDT Jun 21, 2025
Forecast Valid:
4pm EDT Jun 21, 2025-6pm EDT Jun 28, 2025
 
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