Hazardous Weather Conditions
Current conditions at
Shirley, Brookhaven Airport (KHWV)
Lat: 40.82°NLon: 72.87°WElev: 82ft.
Fog/Mist
32°F
0°C
| Humidity | 92% |
| Wind Speed | SW 9 G 20 mph |
| Barometer | 29.64 in (1003.9 mb) |
| Dewpoint | 30°F (-1°C) |
| Visibility | 1.75 mi |
| Wind Chill | 24°F (-4°C) |
| Last update | 1 Jan 12:56 am EST |
Extended Forecast for
Mastic NY
Overnight
Low: 33 °F
Snow
New Year's Day
High: 34 °F⇓
Snow Likely
and Breezy
then Mostly
SunnyThursday Night
Low: 15 °F
Increasing
CloudsFriday
High: 30 °F
Partly Sunny
Friday Night
Low: 19 °F
Partly Cloudy
Saturday
High: 32 °F
Increasing
CloudsSaturday Night
Low: 22 °F
Cloudy
Sunday
High: 33 °F
Mostly Sunny
Sunday Night
Low: 18 °F
Mostly Clear
Detailed Forecast
Overnight
Snow, mainly before 5am. Steady temperature around 33. Wind chill values between 25 and 30. Southwest wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than one inch possible.
New Year's Day
Snow likely, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 25 by 5pm. Wind chill values between 10 and 20. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
Increasing clouds, with a low around 15. West wind 7 to 10 mph, with gusts as high as 24 mph.
Friday
Partly sunny, with a high near 30. Wind chill values between 10 and 20. West wind 7 to 13 mph.
Friday Night
Partly cloudy, with a low around 19. West wind around 6 mph.
Saturday
Increasing clouds, with a high near 32.
Saturday Night
Cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
Mostly clear, with a low around 18.
Monday
Partly sunny, with a high near 32.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Mostly cloudy, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 44.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Mastic NY
40.82°N 72.85°W (Elev. 49 ft)
40.82°N 72.85°W (Elev. 49 ft)
12:54 am EST Jan 1, 2026
1am EST Jan 1, 2026-6pm EST Jan 7, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
