Hazardous Weather Conditions
Current conditions at
Shirley, Brookhaven Airport (KHWV)
Lat: 40.82°NLon: 72.87°WElev: 82ft.
Fog/Mist
31°F
-1°C
| Humidity | 96% |
| Wind Speed | N 6 mph |
| Barometer | 30.06 in (1017.9 mb) |
| Dewpoint | 30°F (-1°C) |
| Visibility | 1.75 mi |
| Wind Chill | 25°F (-4°C) |
| Last update | 18 Jan 5:56 am EST |
Extended Forecast for
Mastic NY
Winter Weather Advisory until January 19, 04:00am
NOW until 4:00am Mon

Winter Weather Advisory
Today

High: 37 °F
Rain/Snow and
Areas
Freezing FogTonight
Low: 21 °F
Snow then
Chance SnowM.L.King Day

High: 32 °F
Mostly Sunny
Monday Night

Low: 15 °F
Partly Cloudy
Tuesday

High: 25 °F
Mostly Sunny
Tuesday Night

Low: 12 °F
Mostly Clear
Wednesday

High: 38 °F
Mostly Sunny
Wednesday Night

Low: 28 °F
Mostly Cloudy
Detailed Forecast
Today
A chance of snow before 7am, then snow, possibly mixed with rain between 7am and 4pm, then snow after 4pm. Areas of freezing fog before 7am. High near 37. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow, mainly before 10pm. Low around 21. Light and variable wind becoming west around 6 mph after midnight. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
M.L.King Day
Mostly sunny, with a high near 32. Wind chill values between 15 and 20. West wind 6 to 16 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 15. Wind chill values between 5 and 10. West wind around 11 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 25. West wind 9 to 17 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly clear, with a low around 12.
Wednesday
Mostly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 38.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Mostly sunny, with a high near 35.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mastic NY
40.82°N 72.85°W (Elev. 49 ft)
40.82°N 72.85°W (Elev. 49 ft)
4:59 am EST Jan 18, 2026
6am EST Jan 18, 2026-6pm EST Jan 24, 2026



