National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Shirley, Brookhaven Airport (KHWV)

Lat: 40.82°NLon: 72.87°WElev: 82ft.

Fair

24°F

-4°C

Humidity 50%
Wind Speed Calm
Barometer 30.67 in (1038.8 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Last update 2 Mar 6:56 pm EST
Extended Forecast for

Mastic NY

  • Tonight

    Tonight: Increasing clouds, with a low around 21. Calm wind.

    Low: 21 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A chance of snow before 9am, then rain. High near 40. Calm wind becoming southeast 5 to 8 mph in the morning. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow
    Likely then
    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 36. Calm wind becoming southwest around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Rain

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 46. Light and variable wind.

    High: 46 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain after 1am. Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: A 40 percent chance of rain before 1pm. Cloudy, with a high near 45.

    High: 45 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Cloudy, with a low around 35. Chance of precipitation is 70%.

    Low: 35 °F

    Chance Rain
    then Rain
    Likely

  • Friday

    Friday: A 50 percent chance of rain before 1pm. Cloudy, with a high near 44.

    High: 44 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 21. Calm wind.
Tuesday
A chance of snow before 9am, then rain. High near 40. Calm wind becoming southeast 5 to 8 mph in the morning. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday Night
Rain. Low around 36. Calm wind becoming southwest around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 46. Light and variable wind.
Wednesday Night
A 40 percent chance of rain after 1am. Mostly cloudy, with a low around 33. Calm wind.
Thursday
A 40 percent chance of rain before 1pm. Cloudy, with a high near 45.
Thursday Night
Rain likely, mainly after 1am. Cloudy, with a low around 35. Chance of precipitation is 70%.
Friday
A 50 percent chance of rain before 1pm. Cloudy, with a high near 44.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Mostly cloudy, with a high near 48.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 40.
Sunday
A 30 percent chance of rain. Mostly cloudy, with a high near 53.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 40.
Monday
Mostly cloudy, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mastic NY
 40.82°N 72.85°W (Elev. 49 ft)
Last Update:
1:04 pm EST Mar 2, 2026
Forecast Valid:
7pm EST Mar 2, 2026-6pm EDT Mar 9, 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