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Fall 2026 Frost/Freeze Program

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Shirley, Brookhaven Airport (KHWV)

Lat: 40.82°NLon: 72.87°WElev: 82ft.

Mostly Cloudy

52°F

11°C

Humidity	89%
Wind Speed	Calm
Barometer	30.15 in (1020.9 mb)
Dewpoint	49°F (9°C)
Visibility	10.00 mi
Last update	15 Oct 11:56 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Mastic NY

Overnight
Low: 51 °F⇑
Chance
Showers
Friday
High: 70 °F
Showers then
Chance
Showers
Friday Night
Low: 44 °F
Showers
Saturday
High: 54 °F
Decreasing
Clouds
Saturday Night
Low: 39 °F
Mostly Clear
Sunday
High: 56 °F
Sunny
Sunday Night
Low: 43 °F
Mostly Clear
Monday
High: 61 °F
Sunny
Monday Night
Low: 45 °F
Partly Cloudy

Detailed Forecast

Overnight

A 30 percent chance of showers after 5am. Mostly cloudy, with a temperature rising to around 56 by 5am. Southeast wind 5 to 7 mph.

Friday

Showers, with thunderstorms also possible after 2pm. High near 70. South wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

A slight chance of showers and thunderstorms, then showers after 8pm. Low around 44. Southwest wind 7 to 11 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

Cloudy, then gradually becoming mostly sunny, with a high near 54. North wind 14 to 16 mph, with gusts as high as 28 mph.

Saturday Night

Mostly clear, with a low around 39. North wind 8 to 11 mph, with gusts as high as 22 mph.

Sunday

Sunny, with a high near 56.

Sunday Night

Mostly clear, with a low around 43.

Monday

Sunny, with a high near 61.

Monday Night

Partly cloudy, with a low around 45.