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.

Light Rain

60°F

16°C

Humidity 78%
Wind Speed N 6 mph
Barometer 30.14 in (1020.6 mb)
Dewpoint 53°F (12°C)
Visibility 7.00 mi
Last update 4 Oct 4:56 pm EDT
Extended Forecast for

Mastic NY

  • This Afternoon

    This Afternoon: Showers likely. Cloudy, with a steady temperature around 61. Northeast wind around 8 mph. Chance of precipitation is 70%.

    High: 61 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers, mainly before 8pm. Low around 53. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Showers then
    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 68. Northwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 44. Northwest wind 8 to 18 mph.

    Low: 44 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 60. Northwest wind around 10 mph.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

This Afternoon
Showers likely. Cloudy, with a steady temperature around 61. Northeast wind around 8 mph. Chance of precipitation is 70%.
Tonight
Showers, mainly before 8pm. Low around 53. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Sunny, with a high near 68. Northwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
Monday Night
Clear, with a low around 44. Northwest wind 8 to 18 mph.
Tuesday
Sunny, with a high near 60. Northwest wind around 10 mph.
Tuesday Night
Clear, with a low around 42.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 62.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mastic NY
 40.82°N 72.85°W (Elev. 49 ft)
Last Update:
2:27 pm EDT Oct 4, 2026
Forecast Valid:
5pm EDT Oct 4, 2026-6pm EDT Oct 11, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation