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Greenlawn, New York Weather Forecast
Greenlawn, New York Weather
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Weather Forecast for Greenlawn, New York : Suffolk County
Issued: 1:33 am EST Dec 16, 2025 Latitude: 40.8689871 Longitude: -73.3651185 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
Sunny on Today Cloudy on Tonight Mostly Sunny on Wednesday Mostly Sunny on Thursday 70% chance of rain on Friday Partly Sunny on Saturday Partly Sunny on Sunday Partly Sunny on Monday
High: 32°F Low: 23°F High: 43°F High: 52°F High: 52°F High: 40°F High: 45°F High: 37°F
Low: 31°F Low: 52 °F Low: 25°F Low: 31°F Low: 28°F  
Sunny Cloudy Mostly Sunny Mostly Sunny Rain Partly Sunny Partly Sunny Partly Sunny
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Current Conditions at
FARMINGDALE - (KFRG)
25°
Cloudy
as of 3:53 AM EST
Rel. Humidity: 73%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
6 MPH
230° Southwest
Cloud Level(s): Solid Overcast at 7500ft
Current Conditions at
ISLIP - (KISP)
25°
Cloudy
as of 3:56 AM EST
Rel. Humidity: 73%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
5 MPH
230° Southwest
Cloud Level(s): Solid Overcast at 7500ft
Current Conditions at
WHITE PLAINS - (KHPN)
23°
Mostly Cloudy
as of 3:56 AM EST
Rel. Humidity: 67%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
3 MPH
240° Southwest
Cloud Level(s): Broken at 7000ft
Current Conditions at
SHIRLEY/BROOKHAVEN - (KHWV)
25°
Cloudy
as of 3:56 AM EST
Rel. Humidity: 68%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
6 MPH
280° West
Cloud Level(s): Solid Overcast at 7500ft
Sunny on Today Today... Sunny, with a high near 32. Wind chill values between 10 and 20. West wind around 6 mph.

Cloudy on Tonight Tonight... Partly cloudy, with a low around 23. Wind chill values between 15 and 20. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 43. Wind chill values between 10 and 20. Southwest wind 10 to 14 mph, with gusts as high as 30 mph.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 31. West wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 23 mph.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 52. Calm wind becoming south 5 to 8 mph in the morning.

90% chance of rain Thursday Night Thursday Night... Showers, mainly after 1am. Temperature rising to around 52 by 2am. Breezy. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

70% chance of rain Friday Friday... Showers likely before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 52. Breezy. Chance of precipitation is 70%.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 25. Breezy.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 40.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 31.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 45.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 28.

Partly Sunny on Monday Monday... Partly sunny, with a high near 37.

Current Radar Image


Sun Almanac for Greenlawn, New York
Sunrise: 07:12 AM
Sunset: 4:27 PM
Civil Sunrise:06:41 AM
Civil Sunset: 4:58 PM
Nautical Sunrise: 06:06 AM
Nautical Sunset: 5:32 PM
Astro Sunrise: 05:33 AM
Astro Sunset: 6:06 PM
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