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

Shirley, Brookhaven Airport (KHWV)

Lat: 40.82°NLon: 72.87°WElev: 82ft.

A Few Clouds

40°F

4°C

Humidity 47%
Wind Speed NW 15 G 24 mph
Barometer 29.93 in (1013.4 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 17 Nov 8:56 pm EST
Extended Forecast for

Mastic NYSimilar City Names

  • Tonight

    Tonight: Mostly clear, with a low around 34. West wind 10 to 13 mph, with gusts as high as 29 mph.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. West wind around 11 mph, with gusts as high as 22 mph.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 35. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 35 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 20 percent chance of rain before 1pm. Partly sunny, with a high near 49. Calm wind becoming north 5 to 8 mph in the morning.

    High: 49 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35. Light northeast wind.

    Low: 35 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Cloudy, with a low around 42.

    Low: 42 °F

    Cloudy

  • Friday

    Friday: A 50 percent chance of rain. Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance Rain

  • Friday Night

    Friday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 34. West wind 10 to 13 mph, with gusts as high as 29 mph.
Tuesday
Mostly sunny, with a high near 47. West wind around 11 mph, with gusts as high as 22 mph.
Tuesday Night
A slight chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 35. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.
Wednesday
A 20 percent chance of rain before 1pm. Partly sunny, with a high near 49. Calm wind becoming north 5 to 8 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 35. Light northeast wind.
Thursday
Mostly cloudy, with a high near 51.
Thursday Night
Cloudy, with a low around 42.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 57.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 41.
Saturday
A 40 percent chance of rain. Partly sunny, with a high near 51.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mastic NYSimilar City Names
 40.8°N 72.85°W (Elev. 39 ft)
Last Update:
9:16 pm EST Nov 17, 2025
Forecast Valid:
9pm EST Nov 17, 2025-6pm EST Nov 24, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation