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

75°F

24°C

Humidity 90%
Wind Speed W 8 mph
Barometer 29.62 in (1002.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 19 Jul 2:56 am EDT
Extended Forecast for

Mastic NYSimilar City Names

  • Overnight

    Overnight: Mostly cloudy, with a low around 71. West wind around 11 mph, with gusts as high as 21 mph.

    Low: 71 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 82. Northwest wind 11 to 15 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 64. Light north wind.

    Low: 64 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 80. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. South wind 3 to 6 mph.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 80 °F

    Mostly Cloudy
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 71. Chance of precipitation is 100%.

    Low: 71 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.

    High: 82 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 71. West wind around 11 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 82. Northwest wind 11 to 15 mph.
Sunday Night
Clear, with a low around 64. Light north wind.
Monday
Sunny, with a high near 80. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 65. South wind 3 to 6 mph.
Tuesday
Showers likely after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm. Low around 71. Chance of precipitation is 100%.
Wednesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 67.
Friday
Sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 68.
Saturday
Mostly sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mastic NYSimilar City Names
 40.8°N 72.85°W (Elev. 39 ft)
Last Update:
2:21 am EDT Jul 19, 2026
Forecast Valid:
3am EDT Jul 19, 2026-6pm EDT Jul 25, 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