Upper Brookville, New York Weather
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Weather Forecast for Upper Brookville, New York : Nassau County
Issued: 4:37 am EDT Sep 17, 2025 Latitude: 40.8387104 Longitude: -73.5651256 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
20% chance of rain on Overnight 60% chance of thunderstorms on Wednesday 20% chance of rain on Thursday Sunny on Friday Sunny on Saturday Sunny on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday
Low: 61°F High: 71°F High: 79°F High: 82°F High: 72°F High: 72°F High: 76°F High: 80°F
Low: 62°F Low: 62°F Low: 56°F Low: 55°F Low: 56°F Low: 60°F  
Rain Thunderstorms Rain Sunny Sunny Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
FARMINGDALE - (KFRG)
63°
Mostly Clear
as of 4:53 AM EDST
Rel. Humidity: 77%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
9 MPH
040° Northeast
Cloud Level(s): Few at 8000ft
Current Conditions at
NEW YORK-KENNEDY - (KJFK)
64°
Cloudy
as of 4:51 AM EDST
Rel. Humidity: 72%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
14 MPH
040° Northeast
Cloud Level(s): Few at 2200ft, Solid Overcast at 9500ft
Current Conditions at
WHITE PLAINS - (KHPN)
59°
Mostly Clear
as of 4:56 AM EDST
Rel. Humidity: 82%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
7 MPH
040° Northeast
Cloud Level(s): Few at 12000ft
Current Conditions at
LAGUARDIA NYC - (KLGA)
63°
Mostly Cloudy
as of 5:23 AM EDST
Rel. Humidity: 72%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
13 MPH
040° Northeast
Cloud Level(s): Few at 1600ft, Scattered at 2800ft, Broken at 8000ft, Broken at 25000ft
20% chance of rain Overnight Overnight... A 20 percent chance of showers. Mostly cloudy, with a low around 61. Northeast wind around 13 mph.
60% chance of thunderstorms Wednesday Wednesday... A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Cloudy, with a high near 71. Northeast wind around 14 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
60% chance of thunderstorms Wednesday Night Wednesday Night... Showers likely and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 62. East wind 7 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
20% chance of rain Thursday Thursday... A 20 percent chance of showers before 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 79. Northeast wind 5 to 7 mph becoming northwest in the afternoon.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 62. Southwest wind around 6 mph.
Sunny on Friday Friday... Sunny, with a high near 82.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 56.
Sunny on Saturday Saturday... Sunny, with a high near 72.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 55.
Sunny on Sunday Sunday... Sunny, with a high near 72.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 56.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 76.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 60.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 80.
Current Radar Image


Sun Almanac for Upper Brookville, New York
Sunrise: 06:37 AM
Sunset: 7:00 PM
Civil Sunrise:06:10 AM
Civil Sunset: 7:27 PM
Nautical Sunrise: 05:38 AM
Nautical Sunset: 8:00 PM
Astro Sunrise: 05:05 AM
Astro Sunset: 8:33 PM
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