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

Hazardous Weather Conditions

Current conditions at

Shirley, Brookhaven Airport (KHWV)

Lat: 40.82°NLon: 72.87°WElev: 82ft.

Partly Cloudy

30°F

-1°C

Humidity 49%
Wind Speed W 18 G 40 mph
Barometer 29.50 in (998.9 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 30 Dec 12:56 am EST
Extended Forecast for

Mastic NYSimilar City Names

Wind Advisory December 30, 01:42am until December 30, 06:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory December 30, 01:42am until December 30, 06:00pm

    NOW until 6:00pm Tue

    Wind Advisory

  • Overnight

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 31. Wind chill values between 10 and 20. Breezy, with a west wind 17 to 20 mph, with gusts as high as 47 mph.

    High: 31 °F

    Partly Sunny
    and Breezy
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23. Wind chill values between 15 and 20. West wind 10 to 15 mph, with gusts as high as 34 mph.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 35. Wind chill values between 15 and 25. West wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 35 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 22. West wind 7 to 9 mph, with gusts as high as 21 mph.

    Low: 22 °F

    Mostly Cloudy
    then Chance
    Snow

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 25. Wind chill values between 10 and 20. West wind around 16 mph, with gusts as high as 40 mph.
Tuesday
Mostly cloudy, with a high near 31. Wind chill values between 10 and 20. Breezy, with a west wind 17 to 20 mph, with gusts as high as 47 mph.
Tuesday Night
Mostly cloudy, with a low around 23. Wind chill values between 15 and 20. West wind 10 to 15 mph, with gusts as high as 34 mph.
Wednesday
Mostly cloudy, with a high near 35. Wind chill values between 15 and 25. West wind 10 to 13 mph, with gusts as high as 23 mph.
Wednesday Night
A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 22. West wind 7 to 9 mph, with gusts as high as 21 mph.
New Year's Day
Mostly sunny, with a high near 30.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Partly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 23.
Saturday
Mostly sunny, with a high near 33.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
Sunny, with a high near 32.
Sunday Night
Partly cloudy, with a low around 22.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mastic NYSimilar City Names
 40.8°N 72.85°W (Elev. 39 ft)
Last Update:
1:04 am EST Dec 30, 2025
Forecast Valid:
1am EST Dec 30, 2025-6pm EST Jan 5, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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