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

32°F

0°C

Humidity 66%
Wind Speed N 13 G 22 mph
Barometer 30.26 in (1024.9 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 24 Mar 4:56 am EDT
Extended Forecast for

Mastic NY

  • Today

    Today: Sunny, with a high near 45. Wind chill values between 20 and 30 early. North wind 5 to 11 mph, with gusts as high as 22 mph.

    High: 45 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 33. Southwest wind around 6 mph.

    Low: 33 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 48. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 48 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 38. South wind around 6 mph.

    Low: 38 °F

    Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 53. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 53 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Chance Rain
    then Rain
    Likely

  • Friday

    Friday: Rain likely, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 51. Chance of precipitation is 60%.

    High: 51 °F

    Rain Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 45. Wind chill values between 20 and 30 early. North wind 5 to 11 mph, with gusts as high as 22 mph.
Tonight
Increasing clouds, with a low around 33. Southwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 48. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Wednesday Night
Cloudy, with a low around 38. South wind around 6 mph.
Thursday
Mostly cloudy, with a high near 53. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.
Thursday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain likely, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 51. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Sunny, with a high near 41.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Partly sunny, with a high near 51.
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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:
3:49 am EDT Mar 24, 2026
Forecast Valid:
5am EDT Mar 24, 2026-6pm EDT Mar 30, 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