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.

Fair

43°F

6°C

Humidity 34%
Wind Speed W 15 G 35 mph
Barometer 29.89 in (1012.1 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 28 Nov 1:56 pm EST
Extended Forecast for

Mastic NY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 43. Breezy, with a west wind 18 to 20 mph, with gusts as high as 41 mph.

    High: 43 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 30. Wind chill values between 20 and 25. West wind 10 to 17 mph, with gusts as high as 40 mph.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 43. Wind chill values between 20 and 30. Northwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 30. Light and variable wind.

    Low: 30 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Rain, mainly after 1pm. High near 53. South wind 7 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Slight Chance
    Rain then
    Rain

  • Sunday Night

    Sunday Night: Rain likely before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 33. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Rain Likely

  • Monday

    Monday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain, mainly after 1pm. High near 47. Chance of precipitation is 80%.

    High: 47 °F

    Chance Rain
    then Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 43. Breezy, with a west wind 18 to 20 mph, with gusts as high as 41 mph.
Tonight
Mostly clear, with a low around 30. Wind chill values between 20 and 25. West wind 10 to 17 mph, with gusts as high as 40 mph.
Saturday
Sunny, with a high near 43. Wind chill values between 20 and 30. Northwest wind 7 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Increasing clouds, with a low around 30. Light and variable wind.
Sunday
Rain, mainly after 1pm. High near 53. South wind 7 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 33. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 42.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
Rain, mainly after 1pm. High near 47. Chance of precipitation is 80%.
Tuesday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
Mastic NY
 40.82°N 72.85°W (Elev. 49 ft)
Last Update:
1:32 pm EST Nov 28, 2025
Forecast Valid:
2pm EST Nov 28, 2025-6pm EST Dec 4, 2025
 
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Additional Resources

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Chance of Precipitation