Hazardous Weather Conditions
Current conditions at
Shirley, Brookhaven Airport (KHWV)
Lat: 40.82°NLon: 72.87°WElev: 82ft.
Fair
41°F
5°C
| Humidity | 79% |
| Wind Speed | NW 5 mph |
| Barometer | 29.99 in (1015.6 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 38°F (3°C) |
| Last update | 19 Apr 7:56 pm EDT |
Extended Forecast for
Mastic NY
Frost Advisory April 20, 12:00am until April 20, 08:00am
Freeze Warning April 21, 12:00am until April 21, 09:00am
Tonight
Low: 34 °F
Partly Cloudy
then FrostMonday
High: 52 °F
Chance
ShowersMonday Night
Low: 29 °F
Partly Cloudy
then FrostTuesday
High: 51 °F
Frost then
SunnyTuesday Night
Low: 39 °F
Partly Cloudy
then Slight
Chance
ShowersWednesday
High: 55 °F
Mostly Cloudy
Wednesday Night
Low: 42 °F
Partly Cloudy
Thursday
High: 62 °F
Mostly Sunny
Thursday Night
Low: 44 °F
Partly Cloudy
Detailed Forecast
Tonight
Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 34. West wind around 6 mph becoming calm after midnight.
Monday
A 40 percent chance of showers, mainly before 4pm. Widespread frost before 8am. Otherwise, partly sunny, with a high near 52. Calm wind becoming northwest 5 to 8 mph in the morning.
Monday Night
Widespread frost after 3am. Otherwise, partly cloudy, with a low around 29. Wind chill values between 20 and 25. North wind 6 to 8 mph.
Tuesday
Widespread frost before 7am. Otherwise, sunny, with a high near 51. Wind chill values between 25 and 35 early. North wind around 6 mph becoming southwest in the afternoon.
Tuesday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 39. South wind around 7 mph.
Wednesday
Mostly cloudy, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 61.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 42.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 57.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 42.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 57.
Additional Forecasts and Information
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Point Forecast:
Mastic NY
40.82°N 72.85°W (Elev. 49 ft)
40.82°N 72.85°W (Elev. 49 ft)
6:50 pm EDT Apr 19, 2026
8pm EDT Apr 19, 2026-6pm EDT Apr 26, 2026
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