Old Mastic, New York Weather
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Weather Forecast for Old Mastic, New York : Suffolk County
Issued: 4:06 am EDT Sep 14, 2025 Latitude: 40.7806544 Longitude: -72.8245466 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday Thursday Friday Saturday
20% chance of rain on Today Mostly Clear on Tonight Sunny on Monday Mostly Sunny on Tuesday 40% chance of rain on Wednesday 40% chance of rain on Thursday Sunny on Friday Mostly Sunny on Saturday
High: 76°F Low: 59°F High: 74°F High: 71°F High: 71°F High: 72°F High: 77°F High: 69°F
Low: 58°F Low: 61°F Low: 63°F Low: 63°F Low: 61°F  
Rain Mostly Clear Sunny Mostly Sunny Rain Rain Sunny Mostly Sunny
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Current Conditions at
SHIRLEY/BROOKHAVEN - (KHWV)
57°
Cloudy
as of 5:56 AM EDST
Rel. Humidity: 100%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 30.02 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 11000ft
Current Conditions at
WESTHAMPTON BEACH - (KFOK)
55°
Clear
as of 5:53 AM EDST
Rel. Humidity: 93%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
ISLIP - (KISP)
63°
Mostly Cloudy
as of 5:56 AM EDST
Rel. Humidity: 93%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Broken at 10000ft, Broken at 25000ft
Current Conditions at
FARMINGDALE - (KFRG)
63°
Clear
as of 5:53 AM EDST
Rel. Humidity: 93%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.02 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
20% chance of rain Today Today... A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 76. Light southwest wind becoming south 5 to 9 mph in the morning.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 59. Light and variable wind.
Sunny on Monday Monday... Sunny, with a high near 74. Northeast wind 6 to 10 mph becoming east in the afternoon.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 58. East wind around 6 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 71. East wind 8 to 11 mph.
Increasing Clouds on Tuesday Night Tuesday Night... Increasing clouds, with a low around 61.
40% chance of rain Wednesday Wednesday... A 40 percent chance of showers. Mostly cloudy, with a high near 71.
50% chance of rain Wednesday Night Wednesday Night... A 50 percent chance of showers. Mostly cloudy, with a low around 63.
40% chance of rain Thursday Thursday... A 40 percent chance of showers. Mostly cloudy, with a high near 72.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 63.
Sunny on Friday Friday... Sunny, with a high near 77.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 61.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 69.
Current Radar Image


Sun Almanac for Old Mastic, New York
Sunrise: 06:32 AM
Sunset: 7:02 PM
Civil Sunrise:06:04 AM
Civil Sunset: 7:29 PM
Nautical Sunrise: 05:32 AM
Nautical Sunset: 8:02 PM
Astro Sunrise: 04:58 AM
Astro Sunset: 8:35 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.