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.

A Few Clouds with Haze

64°F

18°C

Humidity NA
Wind Speed Calm
Barometer 30.06 in (1017.7 mb)
Dewpoint N/A
Visibility 6.00 mi
Last update 29 Jun 3:53 am EDT
Extended Forecast for

Greenwood Lake NY

Extreme Heat Watch July 1, 12:00pm until July 3, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Today

    Today: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 87. Southwest wind 3 to 7 mph.

    High: 87 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. Southwest wind 3 to 7 mph. Winds could gust as high as 20 mph.

    Low: 68 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Southwest wind around 7 mph.

    High: 94 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

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

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 98.

    High: 98 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 75.

    Low: 75 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 85. Light and variable wind.
Tonight
Mostly clear, with a low around 65. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 87. Southwest wind 3 to 7 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. Southwest wind 3 to 7 mph. Winds could gust as high as 20 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Southwest wind around 7 mph.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Sunny, with a high near 98.
Thursday Night
Clear, with a low around 75.
Friday
Sunny, with a high near 96.
Friday Night
A 30 percent chance of showers before 2am. Partly cloudy, with a low around 73.
Independence Day
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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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:
4:38 am EDT Jun 29, 2026
Forecast Valid:
4am EDT Jun 29, 2026-6pm EDT Jul 5, 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